920908080 has 60 divisors (see below), whose sum is σ = 3092718720. Its totient is φ = 245575296.

The previous prime is 920908039. The next prime is 920908091. The reversal of 920908080 is 80809029.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 638800 + ... + 640239.

It is an arithmetic number, because the mean of its divisors is an integer number (51545312).

Almost surely, 2^920908080 is an apocalyptic number.

920908080 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

920908080 is an abundant number, since it is smaller than the sum of its proper divisors (2171810640).

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

920908080 is a wasteful number, since it uses less digits than its factorization.

920908080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279058 (or 1279049 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 920908080 is about 30346.4673397086. The cubic root of 920908080 is about 972.9087168126.

The spelling of 920908080 in words is "nine hundred twenty million, nine hundred eight thousand, eighty".