32020872 has 64 divisors (see below), whose sum is σ = 89208000. Its totient is φ = 9510144.

The previous prime is 32020867. The next prime is 32020883. The reversal of 32020872 is 27802023.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7279 + ... + 10817.

It is an arithmetic number, because the mean of its divisors is an integer number (1393875).

Almost surely, 2^32020872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32020872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44604000).

32020872 is an abundant number, since it is smaller than the sum of its proper divisors (57187128).

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

32020872 is a wasteful number, since it uses less digits than its factorization.

32020872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590 (or 3586 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 32020872 is about 5658.6987903581. The cubic root of 32020872 is about 317.5492208809.

Adding to 32020872 its reverse (27802023), we get a palindrome (59822895).

The spelling of 32020872 in words is "thirty-two million, twenty thousand, eight hundred seventy-two".