20005112016163 has 2 divisors, whose sum is σ = 20005112016164. Its totient is φ = 20005112016162.

The previous prime is 20005112015963. The next prime is 20005112016199. The reversal of 20005112016163 is 36161021150002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20005112016163 - 2¹⁷ = 20005111885091 is a prime.

It is not a weakly prime, because it can be changed into another prime (20005112076163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10002556008081 + 10002556008082.

It is an arithmetic number, because the mean of its divisors is an integer number (10002556008082).

Almost surely, 2^{20005112016163} is an apocalyptic number.

20005112016163 is a deficient number, since it is larger than the sum of its proper divisors (1).

20005112016163 is an equidigital number, since it uses as much as digits as its factorization.

20005112016163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 20005112016163 its reverse (36161021150002), we get a palindrome (56166133166165).

The spelling of 20005112016163 in words is "twenty trillion, five billion, one hundred twelve million, sixteen thousand, one hundred sixty-three".