80020164 has 96 divisors (see below), whose sum is σ = 223534080. Its totient is φ = 21796992.

The previous prime is 80020147. The next prime is 80020183. The reversal of 80020164 is 46102008.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 80020164.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260499 + ... + 260805.

It is an arithmetic number, because the mean of its divisors is an integer number (2328480).

Almost surely, 2^80020164 is an apocalyptic number.

80020164 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80020164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111767040).

80020164 is an abundant number, since it is smaller than the sum of its proper divisors (143513916).

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

80020164 is a wasteful number, since it uses less digits than its factorization.

80020164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 80020164 is about 8945.3990408478. The cubic root of 80020164 is about 430.9231366495.

The spelling of 80020164 in words is "eighty million, twenty thousand, one hundred sixty-four".