20107112 has 16 divisors (see below), whose sum is σ = 37860900. Its totient is φ = 10010880.

The previous prime is 20107093. The next prime is 20107133. The reversal of 20107112 is 21170102.

It can be written as a sum of positive squares in 2 ways, for example, as 15888196 + 4218916 = 3986^2 + 2054^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3287 + ... + 7142.

Almost surely, 2^20107112 is an apocalyptic number.

It is an amenable number.

20107112 is a deficient number, since it is larger than the sum of its proper divisors (17753788).

20107112 is a wasteful number, since it uses less digits than its factorization.

20107112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10676 (or 10672 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 20107112 is about 4484.0954494747. The cubic root of 20107112 is about 271.9254769888.

Adding to 20107112 its reverse (21170102), we get a palindrome (41277214).

The spelling of 20107112 in words is "twenty million, one hundred seven thousand, one hundred twelve".