20073924 has 72 divisors (see below), whose sum is σ = 55648320. Its totient is φ = 6063552.

The previous prime is 20073919. The next prime is 20073931. The reversal of 20073924 is 42937002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27249 + ... + 27975.

Almost surely, 2^20073924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20073924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27824160).

20073924 is an abundant number, since it is smaller than the sum of its proper divisors (35574396).

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

20073924 is a wasteful number, since it uses less digits than its factorization.

20073924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 20073924 is about 4480.3932863087. The cubic root of 20073924 is about 271.7757848046.

The spelling of 20073924 in words is "twenty million, seventy-three thousand, nine hundred twenty-four".