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20096681 = 112973863
BaseRepresentation
bin100110010101…
…0011010101001
31101211000110112
41030222122221
520121043211
61554424105
7332550623
oct114523251
941730415
1020096681
1110386a30
126892035
134218437
142951c13
151b6e88b
hex132a6a9

20096681 has 16 divisors (see below), whose sum is σ = 23016960. Its totient is φ = 17377920.

The previous prime is 20096663. The next prime is 20096689. The reversal of 20096681 is 18669002.

It is a cyclic number.

It is not a de Polignac number, because 20096681 - 26 = 20096617 is a prime.

It is a super-2 number, since 2×200966812 = 807753174431522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20096689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22856 + ... + 23718.

It is an arithmetic number, because the mean of its divisors is an integer number (1438560).

Almost surely, 220096681 is an apocalyptic number.

It is an amenable number.

20096681 is a deficient number, since it is larger than the sum of its proper divisors (2920279).

20096681 is a wasteful number, since it uses less digits than its factorization.

20096681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 20096681 is about 4482.9321877539. The cubic root of 20096681 is about 271.8784464442.

The spelling of 20096681 in words is "twenty million, ninety-six thousand, six hundred eighty-one".

Divisors: 1 11 29 73 319 803 863 2117 9493 23287 25027 62999 275297 692989 1826971 20096681