20924192 has 12 divisors (see below), whose sum is σ = 41194566. Its totient is φ = 10462080.

The previous prime is 20924191. The next prime is 20924201. The reversal of 20924192 is 29142902.

It can be written as a sum of positive squares in only one way, i.e., 19749136 + 1175056 = 4444^2 + 1084^2 .

It is not an unprimeable number, because it can be changed into a prime (20924191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326909 + ... + 326972.

Almost surely, 2^20924192 is an apocalyptic number.

It is an amenable number.

20924192 is a deficient number, since it is larger than the sum of its proper divisors (20270374).

20924192 is an equidigital number, since it uses as much as digits as its factorization.

20924192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653891 (or 653883 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 20924192 is about 4574.2968858613. The cubic root of 20924192 is about 275.5600355768.

The spelling of 20924192 in words is "twenty million, nine hundred twenty-four thousand, one hundred ninety-two".