190687520920 has 64 divisors (see below), whose sum is σ = 469881972000. Its totient is φ = 69214338048.

The previous prime is 190687520869. The next prime is 190687520941. The reversal of 190687520920 is 29025786091.

It is a congruent number.

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, 3077005 + ... + 3138364.

Almost surely, 2^190687520920 is an apocalyptic number.

190687520920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190687520920 is an abundant number, since it is smaller than the sum of its proper divisors (279194451080).

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

190687520920 is a wasteful number, since it uses less digits than its factorization.

190687520920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215452 (or 6215448 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 190687520920 in words is "one hundred ninety billion, six hundred eighty-seven million, five hundred twenty thousand, nine hundred twenty".