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20200012124 = 2247791360087
BaseRepresentation
bin10010110100000000…
…111011100101011100
31221010202212221022012
4102310000323211130
5312332200341444
613140232210352
71313401161425
oct226400734534
957122787265
1020200012124
1186264200a6
123ab8b399b8
131b9bc675c6
14d98aac64c
157d35c8b9e
hex4b403b95c

20200012124 has 24 divisors (see below), whose sum is σ = 36559165440. Its totient is φ = 9759977136.

The previous prime is 20200012117. The next prime is 20200012139. The reversal of 20200012124 is 42121000202.

It is a junction number, because it is equal to n+sod(n) for n = 20200012099 and 20200012108.

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, 665192 + ... + 694895.

It is an arithmetic number, because the mean of its divisors is an integer number (1523298560).

Almost surely, 220200012124 is an apocalyptic number.

It is an amenable number.

20200012124 is a deficient number, since it is larger than the sum of its proper divisors (16359153316).

20200012124 is a wasteful number, since it uses less digits than its factorization.

20200012124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360217 (or 1360215 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20200012124 its reverse (42121000202), we get a palindrome (62321012326).

The spelling of 20200012124 in words is "twenty billion, two hundred million, twelve thousand, one hundred twenty-four".

Divisors: 1 2 4 47 79 94 158 188 316 3713 7426 14852 1360087 2720174 5440348 63924089 107446873 127848178 214893746 255696356 429787492 5050003031 10100006062 20200012124