3132020220 has 72 divisors (see below), whose sum is σ = 10201446864. Its totient is φ = 715889664.

The previous prime is 3132020183. The next prime is 3132020261. The reversal of 3132020220 is 220202313.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3132020220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 529717 + ... + 535596.

It is an arithmetic number, because the mean of its divisors is an integer number (141686762).

Almost surely, 2^3132020220 is an apocalyptic number.

3132020220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3132020220 is an abundant number, since it is smaller than the sum of its proper divisors (7069426644).

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

3132020220 is a wasteful number, since it uses less digits than its factorization.

3132020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065339 (or 1065330 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3132020220 is about 55964.4549692034. The cubic root of 3132020220 is about 1463.1028368759.

Adding to 3132020220 its reverse (220202313), we get a palindrome (3352222533).

The spelling of 3132020220 in words is "three billion, one hundred thirty-two million, twenty thousand, two hundred twenty".