20024788 has 12 divisors (see below), whose sum is σ = 40049632. Its totient is φ = 8582040.

The previous prime is 20024749. The next prime is 20024813. The reversal of 20024788 is 88742002.

20024788 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357558 + ... + 357613.

Almost surely, 2^20024788 is an apocalyptic number.

20024788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20024788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20024788 is a wasteful number, since it uses less digits than its factorization.

20024788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715182 (or 715180 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 20024788 is about 4474.9064794697. The cubic root of 20024788 is about 271.5538570017.

The spelling of 20024788 in words is "twenty million, twenty-four thousand, seven hundred eighty-eight".