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20013323110 = 25112953118373
BaseRepresentation
bin10010101000111000…
…110001001101100110
31220122202121011010021
4102220320301031212
5311441402314420
613105522545354
71305643303534
oct225070611546
956582534107
1020013323110
11853aaa9960
123a6650825a
131b6c390c31
14d7bd93154
157c1eed7aa
hex4a8e31366

20013323110 has 64 divisors (see below), whose sum is σ = 41421430080. Its totient is φ = 6893985280.

The previous prime is 20013323069. The next prime is 20013323119. The reversal of 20013323110 is 1132331002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013323119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109884 + ... + 228256.

It is an arithmetic number, because the mean of its divisors is an integer number (647209845).

Almost surely, 220013323110 is an apocalyptic number.

20013323110 is an abundant number, since it is smaller than the sum of its proper divisors (21408106970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20013323110 is a wasteful number, since it uses less digits than its factorization.

20013323110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118473.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20013323110 its reverse (1132331002), we get a palindrome (21145654112).

The spelling of 20013323110 in words is "twenty billion, thirteen million, three hundred twenty-three thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 29 53 55 58 106 110 145 265 290 319 530 583 638 1166 1537 1595 2915 3074 3190 5830 7685 15370 16907 33814 84535 118373 169070 236746 591865 1183730 1302103 2604206 3432817 6273769 6510515 6865634 12547538 13021030 17164085 31368845 34328170 37760987 62737690 69011459 75521974 138022918 181939301 188804935 345057295 363878602 377609870 690114590 909696505 1819393010 2001332311 4002664622 10006661555 20013323110