05AB1E, 13 bytes

2096239D20BJ
    

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Beats all the string-based 05AB1E quines.

Explanation:

2096239            # integer literal
       D           # duplicate
        20B        # convert the copy to base 20, yielding "D20BJ"
           J       # join with the original

Alternative 13 byter:

11959189D₃BJ