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20105634322 = 223887492761
BaseRepresentation
bin10010101110011000…
…111010001000010010
31220220012022001022001
4102232120322020102
5312134020244242
613123021304214
71311144033454
oct225630721022
956805261261
1020105634322
118588119714
123a9140506a
131b85541b57
14d8a3422d4
157ca184eb7
hex4ae63a212

20105634322 has 16 divisors (see below), whose sum is σ = 31505231232. Its totient is φ = 9604877920.

The previous prime is 20105634259. The next prime is 20105634347. The reversal of 20105634322 is 22343650102.

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, 205579 + ... + 287182.

It is an arithmetic number, because the mean of its divisors is an integer number (1969076952).

Almost surely, 220105634322 is an apocalyptic number.

20105634322 is a deficient number, since it is larger than the sum of its proper divisors (11399596910).

20105634322 is a wasteful number, since it uses less digits than its factorization.

20105634322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493673.

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 20105634322 in words is "twenty billion, one hundred five million, six hundred thirty-four thousand, three hundred twenty-two".

Divisors: 1 2 23 46 887 1774 20401 40802 492761 985522 11333503 22667006 437079007 874158014 10052817161 20105634322