32020080 has 40 divisors (see below), whose sum is σ = 99262992. Its totient is φ = 8538624.

The previous prime is 32020033. The next prime is 32020081. The reversal of 32020080 is 8002023.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66469 + ... + 66948.

Almost surely, 2^32020080 is an apocalyptic number.

32020080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32020080 is an abundant number, since it is smaller than the sum of its proper divisors (67242912).

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

32020080 is a wasteful number, since it uses less digits than its factorization.

32020080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133433 (or 133427 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 32020080 is about 5658.6288091728. The cubic root of 32020080 is about 317.5466027858.

The spelling of 32020080 in words is "thirty-two million, twenty thousand, eighty".