20056112 has 20 divisors (see below), whose sum is σ = 38944680. Its totient is φ = 10005888.

The previous prime is 20056111. The next prime is 20056123. The reversal of 20056112 is 21165002.

It is a super-3 number, since 3×20056112³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20056111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8003 + ... + 10205.

It is an arithmetic number, because the mean of its divisors is an integer number (1947234).

Almost surely, 2^20056112 is an apocalyptic number.

It is an amenable number.

20056112 is a deficient number, since it is larger than the sum of its proper divisors (18888568).

20056112 is a wasteful number, since it uses less digits than its factorization.

20056112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780 (or 2774 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 20056112 is about 4478.4050732376. The cubic root of 20056112 is about 271.6953769616.

The spelling of 20056112 in words is "twenty million, fifty-six thousand, one hundred twelve".