20888924 has 12 divisors (see below), whose sum is σ = 41777904. Its totient is φ = 8952384.

The previous prime is 20888909. The next prime is 20888929. The reversal of 20888924 is 42988802.

20888924 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20888929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372989 + ... + 373044.

It is an arithmetic number, because the mean of its divisors is an integer number (3481492).

Almost surely, 2^20888924 is an apocalyptic number.

It is an amenable number.

20888924 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.

20888924 is a wasteful number, since it uses less digits than its factorization.

20888924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746044 (or 746042 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 20888924 is about 4570.4402413772. The cubic root of 20888924 is about 275.4051284937.

It can be divided in two parts, 20888 and 924, that added together give a palindrome (21812).

The spelling of 20888924 in words is "twenty million, eight hundred eighty-eight thousand, nine hundred twenty-four".