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20020021012112 = 2411373074327551
BaseRepresentation
bin1001000110101010001100…
…01111011010011010010000
32121212220011200112022002212
410203111012033122122100
510111002000334341422
6110325023133531252
74134253532561402
oct443250617323220
977786150468085
1020020021012112
116419496a38840
1222b4020643b28
13b22b59137674
144d2d8d252b72
1524ab778a29e2
hex1235463da690

20020021012112 has 40 divisors (see below), whose sum is σ = 43458694275072. Its totient is φ = 8854063344000.

The previous prime is 20020021012111. The next prime is 20020021012177. The reversal of 20020021012112 is 21121012002002.

It is not an unprimeable number, because it can be changed into a prime (20020021012111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537157264 + ... + 1537170287.

Almost surely, 220020021012112 is an apocalyptic number.

20020021012112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20020021012112 is an abundant number, since it is smaller than the sum of its proper divisors (23438673262960).

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

20020021012112 is a wasteful number, since it uses less digits than its factorization.

20020021012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074327607 (or 3074327601 counting only the distinct ones).

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

Adding to 20020021012112 its reverse (21121012002002), we get a palindrome (41141033014114).

The spelling of 20020021012112 in words is "twenty trillion, twenty billion, twenty-one million, twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 37 44 74 88 148 176 296 407 592 814 1628 3256 6512 3074327551 6148655102 12297310204 24594620408 33817603061 49189240816 67635206122 113750119387 135270412244 227500238774 270540824488 455000477548 541081648976 910000955096 1251251313257 1820001910192 2502502626514 5005005253028 10010010506056 20020021012112