80020524 has 12 divisors (see below), whose sum is σ = 186714584. Its totient is φ = 26673504.

The previous prime is 80020477. The next prime is 80020531. The reversal of 80020524 is 42502008.

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

It is a super-2 number, since 2×80020524² = 12806568522469152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80020524.

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, 3334177 + ... + 3334200.

Almost surely, 2^80020524 is an apocalyptic number.

It is an amenable number.

80020524 is an abundant number, since it is smaller than the sum of its proper divisors (106694060).

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

80020524 is a wasteful number, since it uses less digits than its factorization.

80020524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668384 (or 6668382 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 80020524 is about 8945.4191629012. The cubic root of 80020524 is about 430.9237828704.

The spelling of 80020524 in words is "eighty million, twenty thousand, five hundred twenty-four".