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20533125352 = 23191035713043
BaseRepresentation
bin10011000111110111…
…101010000011101000
31221222222200211202011
4103013313222003220
5314022440002402
613233252045304
71324554454135
oct230767520350
957888624664
1020533125352
118787460a93
123b90603834
131c22c8a41c
14dcb02158c
15802978ed7
hex4c7dea0e8

20533125352 has 32 divisors (see below), whose sum is σ = 40532925600. Its totient is φ = 9724532544.

The previous prime is 20533125337. The next prime is 20533125383. The reversal of 20533125352 is 25352133502.

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, 1567743 + ... + 1580785.

It is an arithmetic number, because the mean of its divisors is an integer number (1266653925).

Almost surely, 220533125352 is an apocalyptic number.

It is an amenable number.

20533125352 is a deficient number, since it is larger than the sum of its proper divisors (19999800248).

20533125352 is a wasteful number, since it uses less digits than its factorization.

20533125352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23425 (or 23421 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 20533125352 its reverse (25352133502), we get a palindrome (45885258854).

The spelling of 20533125352 in words is "twenty billion, five hundred thirty-three million, one hundred twenty-five thousand, three hundred fifty-two".

Divisors: 1 2 4 8 19 38 76 152 10357 13043 20714 26086 41428 52172 82856 104344 196783 247817 393566 495634 787132 991268 1574264 1982536 135086351 270172702 540345404 1080690808 2566640669 5133281338 10266562676 20533125352