3130220020 has 12 divisors (see below), whose sum is σ = 6573462084. Its totient is φ = 1252088000.

The previous prime is 3130219997. The next prime is 3130220033. The reversal of 3130220020 is 200220313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 806787216 + 2323432804 = 28404^2 + 48202^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78255481 + ... + 78255520.

It is an arithmetic number, because the mean of its divisors is an integer number (547788507).

Almost surely, 2^3130220020 is an apocalyptic number.

It is an amenable number.

3130220020 is an abundant number, since it is smaller than the sum of its proper divisors (3443242064).

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

3130220020 is a wasteful number, since it uses less digits than its factorization.

3130220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156511010 (or 156511008 counting only the distinct ones).

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

The square root of 3130220020 is about 55948.3692345005. The cubic root of 3130220020 is about 1462.8224659193.

Adding to 3130220020 its reverse (200220313), we get a palindrome (3330440333).

The spelling of 3130220020 in words is "three billion, one hundred thirty million, two hundred twenty thousand, twenty".