80932020 has 192 divisors, whose sum is σ = 264929280. Its totient is φ = 18289152.

The previous prime is 80932013. The next prime is 80932043. The reversal of 80932020 is 2023908.

It is a super-2 number, since 2×80932020² = 13099983722560800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 637197 + ... + 637323.

It is an arithmetic number, because the mean of its divisors is an integer number (1379840).

Almost surely, 2^80932020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80932020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132464640).

80932020 is an abundant number, since it is smaller than the sum of its proper divisors (183997260).

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

80932020 is a wasteful number, since it uses less digits than its factorization.

80932020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 80932020 is about 8996.2225406000. Note that the first 3 decimals coincide. The cubic root of 80932020 is about 432.5537950839.

Adding to 80932020 its reverse (2023908), we get a palindrome (82955928).

The spelling of 80932020 in words is "eighty million, nine hundred thirty-two thousand, twenty".