3220031020 has 12 divisors (see below), whose sum is σ = 6762065184. Its totient is φ = 1288012400.

The previous prime is 3220030967. The next prime is 3220031029. The reversal of 3220031020 is 201300223.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3220031029) 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, 80500756 + ... + 80500795.

It is an arithmetic number, because the mean of its divisors is an integer number (563505432).

Almost surely, 2^3220031020 is an apocalyptic number.

It is an amenable number.

3220031020 is an abundant number, since it is smaller than the sum of its proper divisors (3542034164).

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

3220031020 is a wasteful number, since it uses less digits than its factorization.

3220031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161001560 (or 161001558 counting only the distinct ones).

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

The square root of 3220031020 is about 56745.3171636215. The cubic root of 3220031020 is about 1476.6809937910.

Adding to 3220031020 its reverse (201300223), we get a palindrome (3421331243).

The spelling of 3220031020 in words is "three billion, two hundred twenty million, thirty-one thousand, twenty".