3130120020 has 24 divisors (see below), whose sum is σ = 8764336224. Its totient is φ = 834698656.

The previous prime is 3130119997. The next prime is 3130120051. The reversal of 3130120020 is 200210313.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3130119978 and 3130120005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26084274 + ... + 26084393.

It is an arithmetic number, because the mean of its divisors is an integer number (365180676).

Almost surely, 2^3130120020 is an apocalyptic number.

3130120020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3130120020 is an abundant number, since it is smaller than the sum of its proper divisors (5634216204).

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

3130120020 is a wasteful number, since it uses less digits than its factorization.

3130120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52168679 (or 52168677 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3130120020 is about 55947.4755462657. The cubic root of 3130120020 is about 1462.8068883344.

Adding to 3130120020 its reverse (200210313), we get a palindrome (3330330333).

The spelling of 3130120020 in words is "three billion, one hundred thirty million, one hundred twenty thousand, twenty".