3220313023220 has 96 divisors (see below), whose sum is σ = 6939480594816. Its totient is φ = 1254618892800.

The previous prime is 3220313023217. The next prime is 3220313023237. The reversal of 3220313023220 is 223203130223.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 560929550 + ... + 560935290.

It is an arithmetic number, because the mean of its divisors is an integer number (72286256196).

Almost surely, 2^{3220313023220} 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 3220313023220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3469740297408).

3220313023220 is an abundant number, since it is smaller than the sum of its proper divisors (3719167571596).

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

3220313023220 is a wasteful number, since it uses less digits than its factorization.

3220313023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7521 (or 7519 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 3220313023220 its reverse (223203130223), we get a palindrome (3443516153443).

The spelling of 3220313023220 in words is "three trillion, two hundred twenty billion, three hundred thirteen million, twenty-three thousand, two hundred twenty".