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20013720364 = 2211454857281
BaseRepresentation
bin10010101000111010…
…010010001100101100
31220122210100100001101
4102220322102030230
5311442003022424
613105535252444
71305646546651
oct225072221454
956583310041
1020013720364
118540250370
123a6667a124
131b6c49c9b1
14d7c057c28
157c207b344
hex4a8e9232c

20013720364 has 12 divisors (see below), whose sum is σ = 38208011688. Its totient is φ = 9097145600.

The previous prime is 20013720301. The next prime is 20013720371. The reversal of 20013720364 is 46302731002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227428597 + ... + 227428684.

It is an arithmetic number, because the mean of its divisors is an integer number (3184000974).

Almost surely, 220013720364 is an apocalyptic number.

It is an amenable number.

20013720364 is a deficient number, since it is larger than the sum of its proper divisors (18194291324).

20013720364 is a wasteful number, since it uses less digits than its factorization.

20013720364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454857296 (or 454857294 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The spelling of 20013720364 in words is "twenty billion, thirteen million, seven hundred twenty thousand, three hundred sixty-four".

Divisors: 1 2 4 11 22 44 454857281 909714562 1819429124 5003430091 10006860182 20013720364