20187102995792 has 60 divisors (see below), whose sum is σ = 40733137340928. Its totient is φ = 9691039108800.

The previous prime is 20187102995783. The next prime is 20187102995837. The reversal of 20187102995792 is 29759920178102.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3216134 + ... + 7121637.

Almost surely, 2^{20187102995792} is an apocalyptic number.

It is an amenable number.

20187102995792 is an abundant number, since it is smaller than the sum of its proper divisors (20546034345136).

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

20187102995792 is a wasteful number, since it uses less digits than its factorization.

20187102995792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10337968 (or 10337931 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 62.

The spelling of 20187102995792 in words is "twenty trillion, one hundred eighty-seven billion, one hundred two million, nine hundred ninety-five thousand, seven hundred ninety-two".