20200112 has 20 divisors (see below), whose sum is σ = 39449856. Its totient is φ = 10019520.

The previous prime is 20200111. The next prime is 20200121. The reversal of 20200112 is 21100202.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 20200112.

It is not an unprimeable number, because it can be changed into a prime (20200111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2939 + ... + 7002.

Almost surely, 2^20200112 is an apocalyptic number.

It is an amenable number.

20200112 is a deficient number, since it is larger than the sum of its proper divisors (19249744).

20200112 is a wasteful number, since it uses less digits than its factorization.

20200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10076 (or 10070 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 20200112 is about 4494.4534706680. The cubic root of 20200112 is about 272.3440714972.

Adding to 20200112 its reverse (21100202), we get a palindrome (41300314).

The spelling of 20200112 in words is "twenty million, two hundred thousand, one hundred twelve".