20087192355 has 32 divisors (see below), whose sum is σ = 32474058240. Its totient is φ = 10601798400.

The previous prime is 20087192327. The next prime is 20087192371. The reversal of 20087192355 is 55329178002.

It is a happy number.

It is not a de Polignac number, because 20087192355 - 2⁷ = 20087192227 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2778936 + ... + 2786154.

It is an arithmetic number, because the mean of its divisors is an integer number (1014814320).

Almost surely, 2^20087192355 is an apocalyptic number.

20087192355 is a deficient number, since it is larger than the sum of its proper divisors (12386865885).

20087192355 is a wasteful number, since it uses less digits than its factorization.

20087192355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9131.

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 20087192355 in words is "twenty billion, eighty-seven million, one hundred ninety-two thousand, three hundred fifty-five".