3232131220 has 48 divisors (see below), whose sum is σ = 6932661120. Its totient is φ = 1265486976.

The previous prime is 3232131197. The next prime is 3232131233. The reversal of 3232131220 is 221312323.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172009 + ... + 189871.

It is an arithmetic number, because the mean of its divisors is an integer number (144430440).

Almost surely, 2^3232131220 is an apocalyptic number.

It is an amenable number.

3232131220 is an abundant number, since it is smaller than the sum of its proper divisors (3700529900).

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

3232131220 is a wasteful number, since it uses less digits than its factorization.

3232131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18064 (or 18062 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3232131220 is about 56851.8356783666. The cubic root of 3232131220 is about 1478.5283673404.

Adding to 3232131220 its reverse (221312323), we get a palindrome (3453443543).

The spelling of 3232131220 in words is "three billion, two hundred thirty-two million, one hundred thirty-one thousand, two hundred twenty".