20925002965 has 8 divisors (see below), whose sum is σ = 25207709400. Its totient is φ = 16674865152.

The previous prime is 20925002929. The next prime is 20925003013. The reversal of 20925002965 is 56920052902.

It can be written as a sum of positive squares in 4 ways, for example, as 7754915844 + 13170087121 = 88062^2 + 114761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20925002965 - 2⁷ = 20925002837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8140740 + ... + 8143309.

It is an arithmetic number, because the mean of its divisors is an integer number (3150963675).

Almost surely, 2^20925002965 is an apocalyptic number.

It is an amenable number.

20925002965 is a deficient number, since it is larger than the sum of its proper divisors (4282706435).

20925002965 is a wasteful number, since it uses less digits than its factorization.

20925002965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16284311.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 20925002965 in words is "twenty billion, nine hundred twenty-five million, two thousand, nine hundred sixty-five".