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20023101212120 = 2351848127086063
BaseRepresentation
bin1001000110101111111011…
…10101011100010111011000
32121220012010100110200011122
410203113331311130113120
510111024302402241440
6110330252525144412
74134423054052346
oct443277565342730
977805110420148
1020023101212120
11641a8276a6686
1222b47400bb108
13b2322a31c316
144d31a2374996
1524aca7ed97b5
hex1235fdd5c5d8

20023101212120 has 32 divisors (see below), whose sum is σ = 45054417136320. Its totient is φ = 8008806812160.

The previous prime is 20023101212087. The next prime is 20023101212171. The reversal of 20023101212120 is 2121210132002.

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, 12803792 + ... + 14282271.

It is an arithmetic number, because the mean of its divisors is an integer number (1407950535510).

Almost surely, 220023101212120 is an apocalyptic number.

20023101212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20023101212120 is an abundant number, since it is smaller than the sum of its proper divisors (25031315924200).

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

20023101212120 is a wasteful number, since it uses less digits than its factorization.

20023101212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27104555 (or 27104551 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20023101212120 its reverse (2121210132002), we get a palindrome (22144311344122).

The spelling of 20023101212120 in words is "twenty trillion, twenty-three billion, one hundred one million, two hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 18481 36962 73924 92405 147848 184810 369620 739240 27086063 54172126 108344252 135430315 216688504 270860630 541721260 1083442520 500577530303 1001155060606 2002310121212 2502887651515 4004620242424 5005775303030 10011550606060 20023101212120