20293445792165 has 32 divisors (see below), whose sum is σ = 30262847387136. Its totient is φ = 12720372606720.

The previous prime is 20293445792149. The next prime is 20293445792201. The reversal of 20293445792165 is 56129754439202.

It is not a de Polignac number, because 20293445792165 - 2⁴ = 20293445792149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216462746 + ... + 216556475.

It is an arithmetic number, because the mean of its divisors is an integer number (945713980848).

Almost surely, 2^{20293445792165} is an apocalyptic number.

It is an amenable number.

20293445792165 is a deficient number, since it is larger than the sum of its proper divisors (9969401594971).

20293445792165 is a wasteful number, since it uses less digits than its factorization.

20293445792165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433019349.

The product of its (nonzero) digits is 32659200, while the sum is 59.

The spelling of 20293445792165 in words is "twenty trillion, two hundred ninety-three billion, four hundred forty-five million, seven hundred ninety-two thousand, one hundred sixty-five".