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20331130120122 = 232941269509563
BaseRepresentation
bin1001001111101101101011…
…10010011110011110111010
32122222122012102012111010210
410213312311302132132322
510131101123302320442
6111123554153451550
74165606233425043
oct447666562363672
978878172174123
1020331130120122
116529424a15338
122344386410bb6
13b462a9672c63
145040639478ca
15253cd54a419c
hex127db5c9e7ba

20331130120122 has 48 divisors (see below), whose sum is σ = 43115392357920. Its totient is φ = 6383758174080.

The previous prime is 20331130120109. The next prime is 20331130120181. The reversal of 20331130120122 is 22102103113302.

It is a super-2 number, since 2×203311301201222 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34462288 + ... + 35047275.

It is an arithmetic number, because the mean of its divisors is an integer number (898237340790).

Almost surely, 220331130120122 is an apocalyptic number.

20331130120122 is an abundant number, since it is smaller than the sum of its proper divisors (22784262237798).

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

20331130120122 is a wasteful number, since it uses less digits than its factorization.

20331130120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69509679 (or 69509638 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20331130120122 its reverse (22102103113302), we get a palindrome (42433233233424).

The spelling of 20331130120122 in words is "twenty trillion, three hundred thirty-one billion, one hundred thirty million, one hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 29 41 58 82 87 123 174 246 1189 1681 2378 3362 3567 5043 7134 10086 48749 97498 146247 292494 69509563 139019126 208528689 417057378 2015777327 2849892083 4031554654 5699784166 6047331981 8549676249 12094663962 17099352498 82646870407 116845575403 165293740814 233691150806 247940611221 350536726209 495881222442 701073452418 3388521686687 6777043373374 10165565060061 20331130120122