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20200131110 = 2523251349907
BaseRepresentation
bin10010110100000001…
…011000101000100110
31221010210002222112002
4102310001120220212
5312332213143420
613140234525302
71313402165345
oct226401305046
957123088462
1020200131110
1186264a1535
123ab8b96832
131b9bca9803
14d98addb5c
157d35ee075
hex4b4058a26

20200131110 has 32 divisors (see below), whose sum is σ = 38092384512. Its totient is φ = 7697932000.

The previous prime is 20200131073. The next prime is 20200131137. The reversal of 20200131110 is 1113100202.

It is a super-2 number, since 2×202001311102 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20200131091 and 20200131100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117224 + ... + 232683.

It is an arithmetic number, because the mean of its divisors is an integer number (1190387016).

Almost surely, 220200131110 is an apocalyptic number.

20200131110 is a deficient number, since it is larger than the sum of its proper divisors (17892253402).

20200131110 is a wasteful number, since it uses less digits than its factorization.

20200131110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350188.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20200131110 its reverse (1113100202), we get a palindrome (21313231312).

The spelling of 20200131110 in words is "twenty billion, two hundred million, one hundred thirty-one thousand, one hundred ten".

Divisors: 1 2 5 10 23 46 115 230 251 502 1255 2510 5773 11546 28865 57730 349907 699814 1749535 3499070 8047861 16095722 40239305 80478610 87826657 175653314 439133285 878266570 2020013111 4040026222 10100065555 20200131110