20004124 has 24 divisors (see below), whose sum is σ = 41091680. Its totient is φ = 8341056.

The previous prime is 20004107. The next prime is 20004133. The reversal of 20004124 is 42140002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8619 + ... + 10690.

Almost surely, 2^20004124 is an apocalyptic number.

It is an amenable number.

20004124 is an abundant number, since it is smaller than the sum of its proper divisors (21087556).

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

20004124 is a wasteful number, since it uses less digits than its factorization.

20004124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19357 (or 19355 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 20004124 is about 4472.5970084505. The cubic root of 20004124 is about 271.4604174744.

Adding to 20004124 its reverse (42140002), we get a palindrome (62144126).

The spelling of 20004124 in words is "twenty million, four thousand, one hundred twenty-four".