20339224 has 16 divisors (see below), whose sum is σ = 39366720. Its totient is φ = 9841440.

The previous prime is 20339219. The next prime is 20339273. The reversal of 20339224 is 42293302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40759 + ... + 41254.

It is an arithmetic number, because the mean of its divisors is an integer number (2460420).

Almost surely, 2^20339224 is an apocalyptic number.

It is an amenable number.

20339224 is a deficient number, since it is larger than the sum of its proper divisors (19027496).

20339224 is a wasteful number, since it uses less digits than its factorization.

20339224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82050 (or 82046 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 20339224 is about 4509.9028814377. The cubic root of 20339224 is about 272.9678252859.

The spelling of 20339224 in words is "twenty million, three hundred thirty-nine thousand, two hundred twenty-four".