20303792 has 20 divisors (see below), whose sum is σ = 39815160. Its totient is φ = 10028928.

The previous prime is 20303719. The next prime is 20303807. The reversal of 20303792 is 29730302.

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, 6317 + ... + 8972.

It is an arithmetic number, because the mean of its divisors is an integer number (1990758).

Almost surely, 2^20303792 is an apocalyptic number.

It is an amenable number.

20303792 is a deficient number, since it is larger than the sum of its proper divisors (19511368).

20303792 is a wasteful number, since it uses less digits than its factorization.

20303792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15380 (or 15374 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 20303792 is about 4505.9729249076. The cubic root of 20303792 is about 272.8092250416.

The spelling of 20303792 in words is "twenty million, three hundred three thousand, seven hundred ninety-two".