252020765065 has 16 divisors (see below), whose sum is σ = 305298046080. Its totient is φ = 199709962240.

The previous prime is 252020765053. The next prime is 252020765153. The reversal of 252020765065 is 560567020252.

It is a happy number.

It is not a de Polignac number, because 252020765065 - 2⁵ = 252020765033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317821 + ... + 777850.

It is an arithmetic number, because the mean of its divisors is an integer number (19081127880).

Almost surely, 2^252020765065 is an apocalyptic number.

It is an amenable number.

252020765065 is a deficient number, since it is larger than the sum of its proper divisors (53277281015).

252020765065 is a wasteful number, since it uses less digits than its factorization.

252020765065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096112.

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 252020765065 in words is "two hundred fifty-two billion, twenty million, seven hundred sixty-five thousand, sixty-five".