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20424264635 = 543126633559
BaseRepresentation
bin10011000001011000…
…011000101110111011
31221201101212010220202
4103001120120232323
5313312102432020
613214402512415
71322063246015
oct230130305673
957641763822
1020424264635
118730a68355
123b6006570b
131c065637b8
14dba7a51b5
157e8123e75
hex4c1618bbb

20424264635 has 16 divisors (see below), whose sum is σ = 24582113280. Its totient is φ = 16290801120.

The previous prime is 20424264611. The next prime is 20424264647. The reversal of 20424264635 is 53646242402.

It is not a de Polignac number, because 20424264635 - 228 = 20155829179 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5736986 + ... + 5740544.

It is an arithmetic number, because the mean of its divisors is an integer number (1536382080).

Almost surely, 220424264635 is an apocalyptic number.

20424264635 is a deficient number, since it is larger than the sum of its proper divisors (4157848645).

20424264635 is a wasteful number, since it uses less digits than its factorization.

20424264635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6658.

The product of its (nonzero) digits is 276480, while the sum is 38.

The spelling of 20424264635 in words is "twenty billion, four hundred twenty-four million, two hundred sixty-four thousand, six hundred thirty-five".

Divisors: 1 5 431 2155 2663 3559 13315 17795 1147753 1533929 5738765 7669645 9477617 47388085 4084852927 20424264635