20714357565 has 96 divisors (see below), whose sum is σ = 39827054592. Its totient is φ = 9875376000.

The previous prime is 20714357533. The next prime is 20714357623. The reversal of 20714357565 is 56575341702.

It is a happy number.

20714357565 is a `hidden beast` number, since 2 + 0 + 7 + 14 + 3 + 575 + 65 = 666.

It is not a de Polignac number, because 20714357565 - 2⁵ = 20714357533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 20714357565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21332530 + ... + 21333500.

It is an arithmetic number, because the mean of its divisors is an integer number (414865152).

Almost surely, 2^20714357565 is an apocalyptic number.

It is an amenable number.

20714357565 is a deficient number, since it is larger than the sum of its proper divisors (19112697027).

20714357565 is a wasteful number, since it uses less digits than its factorization.

20714357565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The spelling of 20714357565 in words is "twenty billion, seven hundred fourteen million, three hundred fifty-seven thousand, five hundred sixty-five".