20624124 has 24 divisors (see below), whose sum is σ = 48198528. Its totient is φ = 6863920.

The previous prime is 20624119. The next prime is 20624137. The reversal of 20624124 is 42142602.

It is a super-3 number, since 3×20624124³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20624124.

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, 11539 + ... + 13205.

It is an arithmetic number, because the mean of its divisors is an integer number (2008272).

Almost surely, 2^20624124 is an apocalyptic number.

It is an amenable number.

20624124 is an abundant number, since it is smaller than the sum of its proper divisors (27574404).

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

20624124 is a wasteful number, since it uses less digits than its factorization.

20624124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 20624124 is about 4541.3790856963. The cubic root of 20624124 is about 274.2364449884.

Adding to 20624124 its reverse (42142602), we get a palindrome (62766726).

The spelling of 20624124 in words is "twenty million, six hundred twenty-four thousand, one hundred twenty-four".