20113392 has 40 divisors (see below), whose sum is σ = 55958224. Its totient is φ = 6188544.

The previous prime is 20113391. The next prime is 20113403. The reversal of 20113392 is 29331102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15493 + ... + 16740.

Almost surely, 2^20113392 is an apocalyptic number.

It is an amenable number.

20113392 is an abundant number, since it is smaller than the sum of its proper divisors (35844832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20113392 is a wasteful number, since it uses less digits than its factorization.

20113392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32257 (or 32251 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 20113392 is about 4484.7956475184. The cubic root of 20113392 is about 271.9537839586.

Adding to 20113392 its reverse (29331102), we get a palindrome (49444494).

The spelling of 20113392 in words is "twenty million, one hundred thirteen thousand, three hundred ninety-two".