20130163 has 2 divisors, whose sum is σ = 20130164. Its totient is φ = 20130162.

The previous prime is 20130079. The next prime is 20130167. The reversal of 20130163 is 36103102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20130163 - 2⁹ = 20129651 is a prime.

It is not a weakly prime, because it can be changed into another prime (20130167) by changing a digit.

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 as a sum of consecutive naturals, namely, 10065081 + 10065082.

It is an arithmetic number, because the mean of its divisors is an integer number (10065082).

Almost surely, 2^20130163 is an apocalyptic number.

20130163 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130163 is an equidigital number, since it uses as much as digits as its factorization.

20130163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 20130163 is about 4486.6650198115. The cubic root of 20130163 is about 272.0293500264.

Adding to 20130163 its reverse (36103102), we get a palindrome (56233265).

The spelling of 20130163 in words is "twenty million, one hundred thirty thousand, one hundred sixty-three".