3220232320 has 64 divisors (see below), whose sum is σ = 7759180800. Its totient is φ = 1277918208.

The previous prime is 3220232317. The next prime is 3220232333. The reversal of 3220232320 is 232320223.

3220232320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61471 + ... + 101089.

It is an arithmetic number, because the mean of its divisors is an integer number (121237200).

Almost surely, 2^3220232320 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 3220232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3879590400).

3220232320 is an abundant number, since it is smaller than the sum of its proper divisors (4538948480).

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

3220232320 is a wasteful number, since it uses less digits than its factorization.

3220232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39765 (or 39753 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 3220232320 is about 56747.0908505449. The cubic root of 3220232320 is about 1476.7117646840.

Adding to 3220232320 its reverse (232320223), we get a palindrome (3452552543).

The spelling of 3220232320 in words is "three billion, two hundred twenty million, two hundred thirty-two thousand, three hundred twenty".