20207392 has 24 divisors (see below), whose sum is σ = 39916800. Its totient is φ = 10069824.

The previous prime is 20207389. The next prime is 20207417. The reversal of 20207392 is 29370202.

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, 10609 + ... + 12367.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 2^20207392 is an apocalyptic number.

It is an amenable number.

20207392 is a deficient number, since it is larger than the sum of its proper divisors (19709408).

20207392 is a wasteful number, since it uses less digits than its factorization.

20207392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128 (or 2120 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 20207392 is about 4495.2632848366. The cubic root of 20207392 is about 272.3767846278.

Adding to 20207392 its reverse (29370202), we get a palindrome (49577594).

The spelling of 20207392 in words is "twenty million, two hundred seven thousand, three hundred ninety-two".