32028020 has 24 divisors (see below), whose sum is σ = 68183304. Its totient is φ = 12635136.

The previous prime is 32028013. The next prime is 32028023. The reversal of 32028020 is 2082023.

It can be written as a sum of positive squares in 4 ways, for example, as 913936 + 31114084 = 956^2 + 5578^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 32028020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32028023) 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, 9509 + ... + 12428.

It is an arithmetic number, because the mean of its divisors is an integer number (2840971).

Almost surely, 2^32028020 is an apocalyptic number.

It is an amenable number.

32028020 is an abundant number, since it is smaller than the sum of its proper divisors (36155284).

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

32028020 is a wasteful number, since it uses less digits than its factorization.

32028020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22019 (or 22017 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 32028020 is about 5659.3303490784. The cubic root of 32028020 is about 317.5728478967.

The spelling of 32028020 in words is "thirty-two million, twenty-eight thousand, twenty".