80066420 has 24 divisors (see below), whose sum is σ = 192159744. Its totient is φ = 27451296.

The previous prime is 80066359. The next prime is 80066449. The reversal of 80066420 is 2466008.

It is a super-2 number, since 2×80066420² = 12821263223232800, 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 80066420.

It is a congruent number.

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, 285812 + ... + 286091.

It is an arithmetic number, because the mean of its divisors is an integer number (8006656).

Almost surely, 2^80066420 is an apocalyptic number.

It is an amenable number.

80066420 is an abundant number, since it is smaller than the sum of its proper divisors (112093324).

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

80066420 is a wasteful number, since it uses less digits than its factorization.

80066420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571919 (or 571917 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 80066420 is about 8947.9841305179. The cubic root of 80066420 is about 431.0061529798.

The spelling of 80066420 in words is "eighty million, sixty-six thousand, four hundred twenty".