3231222020 has 24 divisors (see below), whose sum is σ = 7307533464. Its totient is φ = 1193066496.

The previous prime is 3231221969. The next prime is 3231222053. The reversal of 3231222020 is 202221323.

It can be written as a sum of positive squares in 4 ways, for example, as 200279104 + 3030942916 = 14152^2 + 55054^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3231222020.

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, 6213629 + ... + 6214148.

It is an arithmetic number, because the mean of its divisors is an integer number (304480561).

Almost surely, 2^3231222020 is an apocalyptic number.

It is an amenable number.

3231222020 is an abundant number, since it is smaller than the sum of its proper divisors (4076311444).

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

3231222020 is a wasteful number, since it uses less digits than its factorization.

3231222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12427799 (or 12427797 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3231222020 is about 56843.8388921790. The cubic root of 3231222020 is about 1478.3897174354.

Adding to 3231222020 its reverse (202221323), we get a palindrome (3433443343).

The spelling of 3231222020 in words is "three billion, two hundred thirty-one million, two hundred twenty-two thousand, twenty".