20039692 has 12 divisors (see below), whose sum is σ = 35100856. Its totient is φ = 10010880.

The previous prime is 20039687. The next prime is 20039707. The reversal of 20039692 is 29693002.

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, 7267 + ... + 9637.

Almost surely, 2^20039692 is an apocalyptic number.

It is an amenable number.

20039692 is a deficient number, since it is larger than the sum of its proper divisors (15061164).

20039692 is a wasteful number, since it uses less digits than its factorization.

20039692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488 (or 4486 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 20039692 is about 4476.5714559247. The cubic root of 20039692 is about 271.6212107736.

The spelling of 20039692 in words is "twenty million, thirty-nine thousand, six hundred ninety-two".