%I A052020
%S A052020 12,20,21,30,50,70,102,110,111,120,133,140,200,201,209,210,230,247,300,
%T A052020 308,320,322,364,407,410,476,481,500,506,511,605,629,700,704,715,782,
%U A052020 803,832,874,902,935,1002,1010,1011,1015,1020,1040,1066,1088,1100,1101
%N A052020 Sum of digits of n is a prime factor of n.
%Y A052020 Cf. A052018, A052019, A052021, A052022, A007953, A005349, A028834.
%Y A052020 Sequence in context: A138166 A046418 A038528 this_sequence A075078 A050421 
               A065201
%Y A052020 Adjacent sequences: A052017 A052018 A052019 this_sequence A052021 A052022 
               A052023
%K A052020 nonn,base,easy
%O A052020 0,1
%A A052020 Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 1999.