920316880 has 40 divisors (see below), whose sum is σ = 2445414912. Its totient is φ = 315537024.

The previous prime is 920316863. The next prime is 920316893. The reversal of 920316880 is 88613029.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×920316880² = 1693966319225868800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 821152 + ... + 822271.

Almost surely, 2^920316880 is an apocalyptic number.

It is an amenable number.

920316880 is an abundant number, since it is smaller than the sum of its proper divisors (1525098032).

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

920316880 is a wasteful number, since it uses less digits than its factorization.

920316880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643443 (or 1643437 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 920316880 is about 30336.7249385955. The cubic root of 920316880 is about 972.7004778746.

The spelling of 920316880 in words is "nine hundred twenty million, three hundred sixteen thousand, eight hundred eighty".