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20692718335 = 57397758027
BaseRepresentation
bin10011010001011000…
…011101001011111111
31222102010000000011101
4103101120131023333
5314334313441320
613301152433531
71331533126612
oct232130351377
958363000141
1020692718335
118859555613
124015b488a7
131c4a067843
1410042c6179
158119a0c0a
hex4d161d2ff

20692718335 has 16 divisors (see below), whose sum is σ = 25197614496. Its totient is φ = 16310412288.

The previous prime is 20692718323. The next prime is 20692718339. The reversal of 20692718335 is 53381729602.

It is a cyclic number.

It is not a de Polignac number, because 20692718335 - 227 = 20558500607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20692718339) 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, 327592 + ... + 385618.

It is an arithmetic number, because the mean of its divisors is an integer number (1574850906).

Almost surely, 220692718335 is an apocalyptic number.

20692718335 is a deficient number, since it is larger than the sum of its proper divisors (4504896161).

20692718335 is an equidigital number, since it uses as much as digits as its factorization.

20692718335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59082.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 20692718335 in words is "twenty billion, six hundred ninety-two million, seven hundred eighteen thousand, three hundred thirty-five".

Divisors: 1 5 73 365 977 4885 58027 71321 290135 356605 4235971 21179855 56692379 283461895 4138543667 20692718335