20056163 has 8 divisors (see below), whose sum is σ = 20797440. Its totient is φ = 19320840.

The previous prime is 20056147. The next prime is 20056177. The reversal of 20056163 is 36165002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20056163 - 2⁴ = 20056147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20056123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6056 + ... + 8762.

It is an arithmetic number, because the mean of its divisors is an integer number (2599680).

Almost surely, 2^20056163 is an apocalyptic number.

20056163 is a deficient number, since it is larger than the sum of its proper divisors (741277).

20056163 is a wasteful number, since it uses less digits than its factorization.

20056163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 20056163 is about 4478.4107672254. The cubic root of 20056163 is about 271.6956072564.

The spelling of 20056163 in words is "twenty million, fifty-six thousand, one hundred sixty-three".