20313112 has 16 divisors (see below), whose sum is σ = 38570400. Its totient is φ = 10027680.

The previous prime is 20313089. The next prime is 20313119. The reversal of 20313112 is 21131302.

It is a junction number, because it is equal to n+sod(n) for n = 20313092 and 20313101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15439 + ... + 16702.

It is an arithmetic number, because the mean of its divisors is an integer number (2410650).

Almost surely, 2^20313112 is an apocalyptic number.

It is an amenable number.

20313112 is a deficient number, since it is larger than the sum of its proper divisors (18257288).

20313112 is a wasteful number, since it uses less digits than its factorization.

20313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32226 (or 32222 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 20313112 is about 4507.0069891226. The cubic root of 20313112 is about 272.8509609734.

Adding to 20313112 its reverse (21131302), we get a palindrome (41444414).

The spelling of 20313112 in words is "twenty million, three hundred thirteen thousand, one hundred twelve".