3120420680 has 32 divisors (see below), whose sum is σ = 7561020600. Its totient is φ = 1152155136.

The previous prime is 3120420679. The next prime is 3120420701. The reversal of 3120420680 is 860240213.

3120420680 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 4 ways, for example, as 2648749156 + 471671524 = 51466^2 + 21718^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 2999885 + ... + 3000924.

Almost surely, 2^3120420680 is an apocalyptic number.

It is an amenable number.

3120420680 is an abundant number, since it is smaller than the sum of its proper divisors (4440599920).

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

3120420680 is a wasteful number, since it uses less digits than its factorization.

3120420680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000833 (or 6000829 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 3120420680 is about 55860.7257382143. The cubic root of 3120420680 is about 1461.2943859739.

Adding to 3120420680 its reverse (860240213), we get a palindrome (3980660893).

The spelling of 3120420680 in words is "three billion, one hundred twenty million, four hundred twenty thousand, six hundred eighty".