80920236 has 12 divisors (see below), whose sum is σ = 188813912. Its totient is φ = 26973408.

The previous prime is 80920193. The next prime is 80920243. The reversal of 80920236 is 63202908.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3371665 + ... + 3371688.

Almost surely, 2^80920236 is an apocalyptic number.

It is an amenable number.

80920236 is an abundant number, since it is smaller than the sum of its proper divisors (107893676).

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

80920236 is a wasteful number, since it uses less digits than its factorization.

80920236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6743360 (or 6743358 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 80920236 is about 8995.5675752006. The cubic root of 80920236 is about 432.5328002567.

The spelling of 80920236 in words is "eighty million, nine hundred twenty thousand, two hundred thirty-six".