20124244 has 12 divisors (see below), whose sum is σ = 40248544. Its totient is φ = 8624664.

The previous prime is 20124233. The next prime is 20124253. The reversal of 20124244 is 44242102.

20124244 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359334 + ... + 359389.

Almost surely, 2^20124244 is an apocalyptic number.

It is an amenable number.

20124244 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.

20124244 is a wasteful number, since it uses less digits than its factorization.

20124244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718734 (or 718732 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 20124244 is about 4486.0053499745. The cubic root of 20124244 is about 272.0026852388.

Adding to 20124244 its reverse (44242102), we get a palindrome (64366346).

The spelling of 20124244 in words is "twenty million, one hundred twenty-four thousand, two hundred forty-four".