20453124 has 24 divisors (see below), whose sum is σ = 48625920. Its totient is φ = 6688864.

The previous prime is 20453123. The next prime is 20453171. The reversal of 20453124 is 42135402.

It is a self number, because there is not a number n which added to its sum of digits gives 20453124.

It is not an unprimeable number, because it can be changed into a prime (20453123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15444 + ... + 16715.

It is an arithmetic number, because the mean of its divisors is an integer number (2026080).

Almost surely, 2^20453124 is an apocalyptic number.

It is an amenable number.

20453124 is an abundant number, since it is smaller than the sum of its proper divisors (28172796).

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

20453124 is a wasteful number, since it uses less digits than its factorization.

20453124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32219 (or 32217 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 20453124 is about 4522.5130182234. The cubic root of 20453124 is about 273.4764185736.

Adding to 20453124 its reverse (42135402), we get a palindrome (62588526).

The spelling of 20453124 in words is "twenty million, four hundred fifty-three thousand, one hundred twenty-four".