20330133163 has 2 divisors, whose sum is σ = 20330133164. Its totient is φ = 20330133162.

The previous prime is 20330133149. The next prime is 20330133167. The reversal of 20330133163 is 36133103302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20330133163 - 2⁹ = 20330132651 is a prime.

It is not a weakly prime, because it can be changed into another prime (20330133167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165066581 + 10165066582.

It is an arithmetic number, because the mean of its divisors is an integer number (10165066582).

Almost surely, 2^20330133163 is an apocalyptic number.

20330133163 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330133163 is an equidigital number, since it uses as much as digits as its factorization.

20330133163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 20330133163 its reverse (36133103302), we get a palindrome (56463236465).

The spelling of 20330133163 in words is "twenty billion, three hundred thirty million, one hundred thirty-three thousand, one hundred sixty-three".