80020432 has 10 divisors (see below), whose sum is σ = 155039618. Its totient is φ = 40010208.

The previous prime is 80020429. The next prime is 80020439. The reversal of 80020432 is 23402008.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 62346816 + 17673616 = 7896^2 + 4204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80020439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500623 + ... + 2500654.

Almost surely, 2^80020432 is an apocalyptic number.

It is an amenable number.

80020432 is a deficient number, since it is larger than the sum of its proper divisors (75019186).

80020432 is a wasteful number, since it uses less digits than its factorization.

80020432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001285 (or 5001279 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 80020432 is about 8945.4140206030. The cubic root of 80020432 is about 430.9236177252.

The spelling of 80020432 in words is "eighty million, twenty thousand, four hundred thirty-two".