20113692 has 24 divisors (see below), whose sum is σ = 47040000. Its totient is φ = 6689136.

The previous prime is 20113673. The next prime is 20113721. The reversal of 20113692 is 29631102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4309 + ... + 7667.

It is an arithmetic number, because the mean of its divisors is an integer number (1960000).

Almost surely, 2^20113692 is an apocalyptic number.

It is an amenable number.

20113692 is an abundant number, since it is smaller than the sum of its proper divisors (26926308).

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

20113692 is a wasteful number, since it uses less digits than its factorization.

20113692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865 (or 3863 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 20113692 is about 4484.8290937337. The cubic root of 20113692 is about 271.9551360549.

Adding to 20113692 its reverse (29631102), we get a palindrome (49744794).

The spelling of 20113692 in words is "twenty million, one hundred thirteen thousand, six hundred ninety-two".