20632484 has 24 divisors (see below), whose sum is σ = 37486848. Its totient is φ = 9925920.

The previous prime is 20632481. The next prime is 20632511. The reversal of 20632484 is 48423602.

It is not an unprimeable number, because it can be changed into a prime (20632481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27782 + ... + 28514.

It is an arithmetic number, because the mean of its divisors is an integer number (1561952).

Almost surely, 2^20632484 is an apocalyptic number.

It is an amenable number.

20632484 is a deficient number, since it is larger than the sum of its proper divisors (16854364).

20632484 is a wasteful number, since it uses less digits than its factorization.

20632484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 20632484 is about 4542.2994176958. The cubic root of 20632484 is about 274.2734939475.

The spelling of 20632484 in words is "twenty million, six hundred thirty-two thousand, four hundred eighty-four".