19924902 has 12 divisors (see below), whose sum is σ = 43170660. Its totient is φ = 6641628.

The previous prime is 19924871. The next prime is 19924913. The reversal of 19924902 is 20942991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 553452 + ... + 553487.

It is an arithmetic number, because the mean of its divisors is an integer number (3597555).

Almost surely, 2^19924902 is an apocalyptic number.

19924902 is an abundant number, since it is smaller than the sum of its proper divisors (23245758).

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

19924902 is a wasteful number, since it uses less digits than its factorization.

19924902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106947 (or 1106944 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 19924902 is about 4463.7318467847. The cubic root of 19924902 is about 271.1015899764.

The spelling of 19924902 in words is "nineteen million, nine hundred twenty-four thousand, nine hundred two".