32132320 has 48 divisors (see below), whose sum is σ = 82818288. Its totient is φ = 11683840.

The previous prime is 32132281. The next prime is 32132323. The reversal of 32132320 is 2323123.

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

It is a junction number, because it is equal to n+sod(n) for n = 32132294 and 32132303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32132323) 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, 7369 + ... + 10888.

It is an arithmetic number, because the mean of its divisors is an integer number (1725381).

Almost surely, 2^32132320 is an apocalyptic number.

It is an amenable number.

32132320 is an abundant number, since it is smaller than the sum of its proper divisors (50685968).

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

32132320 is a wasteful number, since it uses less digits than its factorization.

32132320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18283 (or 18275 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 32132320 is about 5668.5377303146. The cubic root of 32132320 is about 317.9172021823.

Adding to 32132320 its reverse (2323123), we get a palindrome (34455443).

The spelling of 32132320 in words is "thirty-two million, one hundred thirty-two thousand, three hundred twenty".