20110056 has 32 divisors (see below), whose sum is σ = 52922400. Its totient is φ = 6350400.

The previous prime is 20110043. The next prime is 20110087. The reversal of 20110056 is 65001102.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 21595 + ... + 22506.

It is an arithmetic number, because the mean of its divisors is an integer number (1653825).

Almost surely, 2^20110056 is an apocalyptic number.

It is an amenable number.

20110056 is an abundant number, since it is smaller than the sum of its proper divisors (32812344).

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

20110056 is a wasteful number, since it uses less digits than its factorization.

20110056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44129 (or 44125 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 20110056 is about 4484.4237087947. The cubic root of 20110056 is about 271.9387477415.

Adding to 20110056 its reverse (65001102), we get a palindrome (85111158).

The spelling of 20110056 in words is "twenty million, one hundred ten thousand, fifty-six".