220870163 has 2 divisors, whose sum is σ = 220870164. Its totient is φ = 220870162.

The previous prime is 220870159. The next prime is 220870189. The reversal of 220870163 is 361078022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220870163 - 2² = 220870159 is a prime.

It is not a weakly prime, because it can be changed into another prime (220870963) 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, 110435081 + 110435082.

It is an arithmetic number, because the mean of its divisors is an integer number (110435082).

Almost surely, 2^220870163 is an apocalyptic number.

220870163 is a deficient number, since it is larger than the sum of its proper divisors (1).

220870163 is an equidigital number, since it uses as much as digits as its factorization.

220870163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 220870163 is about 14861.7012148677. The cubic root of 220870163 is about 604.4759371344.

The spelling of 220870163 in words is "two hundred twenty million, eight hundred seventy thousand, one hundred sixty-three".