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20112020202 = 2329676432683
BaseRepresentation
bin10010101110110001…
…010001001011101010
31220220122022111002010
4102232301101023222
5312142134121302
613123410220350
71311252231261
oct225661211352
956818274063
1020112020202
1185907904aa
123a935846b6
131b86969691
14d8b1255d8
157ca9e716c
hex4aec512ea

20112020202 has 64 divisors (see below), whose sum is σ = 42313582080. Its totient is φ = 6363935424.

The previous prime is 20112020197. The next prime is 20112020263. The reversal of 20112020202 is 20202021102.

It is a super-2 number, since 2×201120202022 (a number of 21 digits) contains 22 as substring.

20112020202 is a modest number, since divided by 20202 gives 20112 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7494753 + ... + 7497435.

It is an arithmetic number, because the mean of its divisors is an integer number (661149720).

Almost surely, 220112020202 is an apocalyptic number.

20112020202 is an abundant number, since it is smaller than the sum of its proper divisors (22201561878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20112020202 is a wasteful number, since it uses less digits than its factorization.

20112020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20112020202 its reverse (20202021102), we get a palindrome (40314041304).

The spelling of 20112020202 in words is "twenty billion, one hundred twelve million, twenty thousand, two hundred two".

Divisors: 1 2 3 6 29 58 67 87 134 174 201 402 643 1286 1929 1943 2683 3858 3886 5366 5829 8049 11658 16098 18647 37294 43081 55941 77807 86162 111882 129243 155614 179761 233421 258486 359522 466842 539283 1078566 1249349 1725169 2498698 3450338 3748047 5175507 5213069 7496094 10351014 10426138 15639207 31278414 50029901 100059802 115586323 150089703 231172646 300179406 346758969 693517938 3352003367 6704006734 10056010101 20112020202