20330323163 has 2 divisors, whose sum is σ = 20330323164. Its totient is φ = 20330323162.

The previous prime is 20330323151. The next prime is 20330323271. The reversal of 20330323163 is 36132303302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20330323163 - 2⁴ = 20330323147 is a prime.

It is not a weakly prime, because it can be changed into another prime (20330320163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165161581 + 10165161582.

It is an arithmetic number, because the mean of its divisors is an integer number (10165161582).

Almost surely, 2^20330323163 is an apocalyptic number.

20330323163 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330323163 is an equidigital number, since it uses as much as digits as its factorization.

20330323163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 20330323163 its reverse (36132303302), we get a palindrome (56462626465).

The spelling of 20330323163 in words is "twenty billion, three hundred thirty million, three hundred twenty-three thousand, one hundred sixty-three".