2120560690 has 24 divisors (see below), whose sum is σ = 3880677060. Its totient is φ = 834304320.

The previous prime is 2120560669. The next prime is 2120560709. The reversal of 2120560690 is 960650212.

It can be written as a sum of positive squares in 6 ways, for example, as 217769049 + 1902791641 = 14757^2 + 43621^2 .

It is a super-2 number, since 2×2120560690² = 8993555279946552200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8716 + ... + 65704.

Almost surely, 2^2120560690 is an apocalyptic number.

2120560690 is a deficient number, since it is larger than the sum of its proper divisors (1760116370).

2120560690 is an equidigital number, since it uses as much as digits as its factorization.

2120560690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57118 (or 57057 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2120560690 is about 46049.5460346788. The cubic root of 2120560690 is about 1284.7448993217.

The spelling of 2120560690 in words is "two billion, one hundred twenty million, five hundred sixty thousand, six hundred ninety".