2120642576 has 20 divisors (see below), whose sum is σ = 4424802732. Its totient is φ = 978758016.

The previous prime is 2120642533. The next prime is 2120642581. The reversal of 2120642576 is 6752460212.

It can be written as a sum of positive squares in 2 ways, for example, as 494617600 + 1626024976 = 22240^2 + 40324^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5097491 + ... + 5097906.

Almost surely, 2^2120642576 is an apocalyptic number.

2120642576 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2120642576 is an abundant number, since it is smaller than the sum of its proper divisors (2304160156).

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

2120642576 is a wasteful number, since it uses less digits than its factorization.

2120642576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10195418 (or 10195412 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 2120642576 is about 46050.4351336662. The cubic root of 2120642576 is about 1284.7614360278.

The spelling of 2120642576 in words is "two billion, one hundred twenty million, six hundred forty-two thousand, five hundred seventy-six".