3120540620 has 24 divisors (see below), whose sum is σ = 6898038000. Its totient is φ = 1182520512.

The previous prime is 3120540593. The next prime is 3120540637. The reversal of 3120540620 is 260450213.

It is a super-2 number, since 2×3120540620² = 19475547522139968800, which contains 22 as substring.

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, 4105595 + ... + 4106354.

It is an arithmetic number, because the mean of its divisors is an integer number (287418250).

Almost surely, 2^3120540620 is an apocalyptic number.

It is an amenable number.

3120540620 is an abundant number, since it is smaller than the sum of its proper divisors (3777497380).

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

3120540620 is a wasteful number, since it uses less digits than its factorization.

3120540620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8211977 (or 8211975 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3120540620 is about 55861.7992907497. The cubic root of 3120540620 is about 1461.3131083857.

Adding to 3120540620 its reverse (260450213), we get a palindrome (3380990833).

The spelling of 3120540620 in words is "three billion, one hundred twenty million, five hundred forty thousand, six hundred twenty".