632120920 has 32 divisors (see below), whose sum is σ = 1424005200. Its totient is φ = 252540288.

The previous prime is 632120851. The next prime is 632120921. The reversal of 632120920 is 29021236.

It is a happy number.

632120920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632120921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25162 + ... + 43558.

Almost surely, 2^632120920 is an apocalyptic number.

It is an amenable number.

632120920 is an abundant number, since it is smaller than the sum of its proper divisors (791884280).

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

632120920 is a wasteful number, since it uses less digits than its factorization.

632120920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19267 (or 19263 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 632120920 is about 25142.0150345990. The cubic root of 632120920 is about 858.2228127615. Note that the first 3 decimals are identical.

The spelling of 632120920 in words is "six hundred thirty-two million, one hundred twenty thousand, nine hundred twenty".