3105220120 has 32 divisors (see below), whose sum is σ = 6991096320. Its totient is φ = 1241314560.

The previous prime is 3105220117. The next prime is 3105220213. The reversal of 3105220120 is 210225013.

It is a junction number, because it is equal to n+sod(n) for n = 3105220094 and 3105220103.

It is a congruent number.

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, 43180 + ... + 89860.

It is an arithmetic number, because the mean of its divisors is an integer number (218471760).

Almost surely, 2^3105220120 is an apocalyptic number.

It is an amenable number.

3105220120 is an abundant number, since it is smaller than the sum of its proper divisors (3885876200).

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

3105220120 is a wasteful number, since it uses less digits than its factorization.

3105220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48355 (or 48351 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 3105220120 is about 55724.5019717539. The cubic root of 3105220120 is about 1458.9177129504.

Adding to 3105220120 its reverse (210225013), we get a palindrome (3315445133).

The spelling of 3105220120 in words is "three billion, one hundred five million, two hundred twenty thousand, one hundred twenty".