80669220620 has 24 divisors (see below), whose sum is σ = 169469185200. Its totient is φ = 32255531712.

The previous prime is 80669220617. The next prime is 80669220649. The reversal of 80669220620 is 2602296608.

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, 705275 + ... + 811634.

It is an arithmetic number, because the mean of its divisors is an integer number (7061216050).

Almost surely, 2^80669220620 is an apocalyptic number.

It is an amenable number.

80669220620 is an abundant number, since it is smaller than the sum of its proper divisors (88799964580).

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

80669220620 is a wasteful number, since it uses less digits than its factorization.

80669220620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519577 (or 1519575 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 80669220620 in words is "eighty billion, six hundred sixty-nine million, two hundred twenty thousand, six hundred twenty".