2120919472 has 20 divisors (see below), whose sum is σ = 4696321936. Its totient is φ = 908965440.

The previous prime is 2120919419. The next prime is 2120919499. The reversal of 2120919472 is 2749190212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9468279 + ... + 9468502.

Almost surely, 2^2120919472 is an apocalyptic number.

It is an amenable number.

2120919472 is an abundant number, since it is smaller than the sum of its proper divisors (2575402464).

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

2120919472 is a wasteful number, since it uses less digits than its factorization.

2120919472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18936796 (or 18936790 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 2120919472 is about 46053.4414783521. The cubic root of 2120919472 is about 1284.8173514414.

The spelling of 2120919472 in words is "two billion, one hundred twenty million, nine hundred nineteen thousand, four hundred seventy-two".