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20200012122 = 2322315097169
BaseRepresentation
bin10010110100000000…
…111011100101011010
31221010202212221022010
4102310000323211122
5312332200341442
613140232210350
71313401161423
oct226400734532
957122787263
1020200012122
1186264200a4
123ab8b399b6
131b9bc675c4
14d98aac64a
157d35c8b9c
hex4b403b95a

20200012122 has 16 divisors (see below), whose sum is σ = 40581192960. Its totient is φ = 6703142592.

The previous prime is 20200012117. The next prime is 20200012139. The reversal of 20200012122 is 22121000202.

It is a junction number, because it is equal to n+sod(n) for n = 20200012098 and 20200012107.

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, 7547247 + ... + 7549922.

It is an arithmetic number, because the mean of its divisors is an integer number (2536324560).

Almost surely, 220200012122 is an apocalyptic number.

20200012122 is an abundant number, since it is smaller than the sum of its proper divisors (20381180838).

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

20200012122 is a wasteful number, since it uses less digits than its factorization.

20200012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15097397.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20200012122 its reverse (22121000202), we get a palindrome (42321012324).

The spelling of 20200012122 in words is "twenty billion, two hundred million, twelve thousand, one hundred twenty-two".

Divisors: 1 2 3 6 223 446 669 1338 15097169 30194338 45291507 90583014 3366668687 6733337374 10100006061 20200012122