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20122201112 = 2313811238573
BaseRepresentation
bin10010101111011000…
…000110110000011000
31220221100110201122212
4102233120012300120
5312202240413422
613124412334252
71311434613236
oct225730066030
956840421585
1020122201112
118596504582
123a96a74388
131b88ac26a0
14d8c615956
157cb8589e2
hex4af606c18

20122201112 has 32 divisors (see below), whose sum is σ = 40681638480. Its totient is φ = 9275679360.

The previous prime is 20122201109. The next prime is 20122201157. The reversal of 20122201112 is 21110222102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34943 + ... + 203630.

Almost surely, 220122201112 is an apocalyptic number.

It is an amenable number.

20122201112 is an abundant number, since it is smaller than the sum of its proper divisors (20559437368).

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

20122201112 is a wasteful number, since it uses less digits than its factorization.

20122201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239403 (or 239399 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20122201112 its reverse (21110222102), we get a palindrome (41232423214).

The spelling of 20122201112 in words is "twenty billion, one hundred twenty-two million, two hundred one thousand, one hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 811 1622 3244 6488 10543 21086 42172 84344 238573 477146 954292 1908584 3101449 6202898 12405796 24811592 193482703 386965406 773930812 1547861624 2515275139 5030550278 10061100556 20122201112