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20201012112 = 2433113575949
BaseRepresentation
bin10010110100000100…
…101111101110010000
31221010211202202000210
4102310010233232100
5312332424341422
613140305444120
71313412525021
oct226404575620
957124682023
1020201012112
118626a43436
123ab9340640
131b9c227808
14d98c8cc48
157d372510c
hex4b412fb90

20201012112 has 40 divisors (see below), whose sum is σ = 53869369600. Its totient is φ = 6516455040.

The previous prime is 20201012101. The next prime is 20201012123. The reversal of 20201012112 is 21121010202.

It is an interprime number because it is at equal distance from previous prime (20201012101) and next prime (20201012123).

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 6786487 + ... + 6789462.

It is an arithmetic number, because the mean of its divisors is an integer number (1346734240).

Almost surely, 220201012112 is an apocalyptic number.

It is an amenable number.

20201012112 is an abundant number, since it is smaller than the sum of its proper divisors (33668357488).

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

20201012112 is a wasteful number, since it uses less digits than its factorization.

20201012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13575991 (or 13575985 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20201012112 its reverse (21121010202), we get a palindrome (41322022314).

The spelling of 20201012112 in words is "twenty billion, two hundred one million, twelve thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 31 48 62 93 124 186 248 372 496 744 1488 13575949 27151898 40727847 54303796 81455694 108607592 162911388 217215184 325822776 420854419 651645552 841708838 1262563257 1683417676 2525126514 3366835352 5050253028 6733670704 10100506056 20201012112