3220544120 has 64 divisors (see below), whose sum is σ = 7511961600. Its totient is φ = 1241331840.

The previous prime is 3220544083. The next prime is 3220544143. The reversal of 3220544120 is 214450223.

It is a happy number.

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, 290927 + ... + 301793.

It is an arithmetic number, because the mean of its divisors is an integer number (117374400).

Almost surely, 2^3220544120 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 3220544120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3755980800).

3220544120 is an abundant number, since it is smaller than the sum of its proper divisors (4291417480).

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

3220544120 is a wasteful number, since it uses less digits than its factorization.

3220544120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11148 (or 11144 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 3220544120 is about 56749.8380614430. The cubic root of 3220544120 is about 1476.7594241718.

Adding to 3220544120 its reverse (214450223), we get a palindrome (3434994343).

The spelling of 3220544120 in words is "three billion, two hundred twenty million, five hundred forty-four thousand, one hundred twenty".