PRUDENTIAL UNIT TR INSURED MULTISTATE TAX EXEMPT SERIES 20, 497J, 1995-08-04

PRUDENTIAL UNIT TR INSURED MULTISTATE TAX EXEMPT SERIES 20
497J, 1995-08-04

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                                              Rule 497(j)
                                              Reg. No. 33-20057

Pursuant to Rule 497(j) promulgated under the Securities Act of
1933, the Registrant, Prudential Unit Trusts, Insured Tax-Exempt
Series 36 and Insured Multistate Tax-Exempt Series 20 hereby
certifies as follows:

1)   the form of prospectus that would have been filed under
     paragraph (b) of Rule 497 does not differ from that con-
     tained in the most recent amendment to the registration
     statement, and

2)   the text of the said amendment to the registration state-   
     ment has been filed electronically.

                                  PRUDENTIAL UNIT TRUSTS
                                  Insured Tax-Exempt Series 36    
                                  Insured Multistate Tax-Exempt
                                   Series 20
                                  (Registrant)
                                  

    
                                  By:  Prudential Securities
                                       Incorporated

                                                                
                                       Kenneth Swankie       
                                       Kenneth Swankie 
                                       Senior Vice President
                                       Authorized Signatory

Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D. C.  20549