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20102102202010 = 254077914929511
BaseRepresentation
bin1001001001000011000101…
…01010010011011010011010
32122011202001001202202221011
410210201202222103122122
510113323101130431020
6110430440034404134
74143220555305133
oct444414252233232
978152031682834
1020102102202010
1164502876a5674
122307b0943064a
13b2a80a4a269a
144d6d3857cc8a
1524cd7d92035a
hex124862a9369a

20102102202010 has 16 divisors (see below), whose sum is σ = 36183880035072. Its totient is φ = 8040819531600.

The previous prime is 20102102201891. The next prime is 20102102202047. The reversal of 20102102202010 is 1020220120102.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613155 + ... + 6542665.

It is an arithmetic number, because the mean of its divisors is an integer number (2261492502192).

Almost surely, 220102102202010 is an apocalyptic number.

20102102202010 is a deficient number, since it is larger than the sum of its proper divisors (16081777833062).

20102102202010 is a wasteful number, since it uses less digits than its factorization.

20102102202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5337309.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20102102202010 its reverse (1020220120102), we get a palindrome (21122322322112).

The spelling of 20102102202010 in words is "twenty trillion, one hundred two billion, one hundred two million, two hundred two thousand, ten".

Divisors: 1 2 5 10 407791 815582 2038955 4077910 4929511 9859022 24647555 49295110 2010210220201 4020420440402 10051051101005 20102102202010