52165665802020 has 24 divisors (see below), whose sum is σ = 146063864245824. Its totient is φ = 13910844213856.

The previous prime is 52165665802007. The next prime is 52165665802093. The reversal of 52165665802020 is 2020856656125.

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, 434713881624 + ... + 434713881743.

It is an arithmetic number, because the mean of its divisors is an integer number (6085994343576).

Almost surely, 2^{52165665802020} is an apocalyptic number.

It is an amenable number.

52165665802020 is an abundant number, since it is smaller than the sum of its proper divisors (93898198443804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52165665802020 is a wasteful number, since it uses less digits than its factorization.

52165665802020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869427763379 (or 869427763377 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 52165665802020 in words is "fifty-two trillion, one hundred sixty-five billion, six hundred sixty-five million, eight hundred two thousand, twenty".