3220100320 has 24 divisors (see below), whose sum is σ = 7607487384. Its totient is φ = 1288040064.

The previous prime is 3220100311. The next prime is 3220100321. The reversal of 3220100320 is 230010223.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3220100320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220100321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10062654 + ... + 10062973.

It is an arithmetic number, because the mean of its divisors is an integer number (316978641).

Almost surely, 2^3220100320 is an apocalyptic number.

It is an amenable number.

3220100320 is an abundant number, since it is smaller than the sum of its proper divisors (4387387064).

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

3220100320 is a wasteful number, since it uses less digits than its factorization.

3220100320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20125642 (or 20125634 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3220100320 is about 56745.9277834102. The cubic root of 3220100320 is about 1476.6915871940.

Adding to 3220100320 its reverse (230010223), we get a palindrome (3450110543).

The spelling of 3220100320 in words is "three billion, two hundred twenty million, one hundred thousand, three hundred twenty".