2120657584 has 20 divisors (see below), whose sum is σ = 4111141384. Its totient is φ = 1059717888.

The previous prime is 2120657563. The next prime is 2120657597. The reversal of 2120657584 is 4857560212.

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, 8862 + ... + 65725.

Almost surely, 2^2120657584 is an apocalyptic number.

It is an amenable number.

2120657584 is a deficient number, since it is larger than the sum of its proper divisors (1990483800).

2120657584 is a wasteful number, since it uses less digits than its factorization.

2120657584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76372 (or 76366 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 2120657584 is about 46050.5980851498. The cubic root of 2120657584 is about 1284.7644668158.

The spelling of 2120657584 in words is "two billion, one hundred twenty million, six hundred fifty-seven thousand, five hundred eighty-four".