32020432 has 30 divisors (see below), whose sum is σ = 63084194. Its totient is φ = 15744960.

The previous prime is 32020409. The next prime is 32020433. The reversal of 32020432 is 23402023.

It can be written as a sum of positive squares in only one way, i.e., 29116816 + 2903616 = 5396^2 + 1704^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80458 + ... + 80854.

Almost surely, 2^32020432 is an apocalyptic number.

It is an amenable number.

32020432 is a deficient number, since it is larger than the sum of its proper divisors (31063762).

32020432 is an equidigital number, since it uses as much as digits as its factorization.

32020432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 32020432 is about 5658.6599120286. The cubic root of 32020432 is about 317.5477663890.

Adding to 32020432 its reverse (23402023), we get a palindrome (55422455).

The spelling of 32020432 in words is "thirty-two million, twenty thousand, four hundred thirty-two".