19924252 has 12 divisors (see below), whose sum is σ = 35259840. Its totient is φ = 9850016.

The previous prime is 19924249. The next prime is 19924253. The reversal of 19924252 is 25242991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19924253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27628 + ... + 28339.

It is an arithmetic number, because the mean of its divisors is an integer number (2938320).

Almost surely, 2^19924252 is an apocalyptic number.

It is an amenable number.

19924252 is a deficient number, since it is larger than the sum of its proper divisors (15335588).

19924252 is a wasteful number, since it uses less digits than its factorization.

19924252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56060 (or 56058 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 19924252 is about 4463.6590371577. The cubic root of 19924252 is about 271.0986419410.

The spelling of 19924252 in words is "nineteen million, nine hundred twenty-four thousand, two hundred fifty-two".