20008924 has 18 divisors (see below), whose sum is σ = 37917600. Its totient is φ = 9234576.

The previous prime is 20008921. The next prime is 20008939. The reversal of 20008924 is 42980002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20008921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14124 + ... + 15475.

Almost surely, 2^20008924 is an apocalyptic number.

It is an amenable number.

20008924 is a deficient number, since it is larger than the sum of its proper divisors (17908676).

20008924 is a wasteful number, since it uses less digits than its factorization.

20008924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29629 (or 29614 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 20008924 is about 4473.1335772588. The cubic root of 20008924 is about 271.4821280943.

Adding to 20008924 its reverse (42980002), we get a palindrome (62988926).

The spelling of 20008924 in words is "twenty million, eight thousand, nine hundred twenty-four".