240220163 has 2 divisors, whose sum is σ = 240220164. Its totient is φ = 240220162.

The previous prime is 240220157. The next prime is 240220181. The reversal of 240220163 is 361022042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240220163 - 2²⁰ = 239171587 is a prime.

It is not a weakly prime, because it can be changed into another prime (240220103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120110081 + 120110082.

It is an arithmetic number, because the mean of its divisors is an integer number (120110082).

Almost surely, 2^240220163 is an apocalyptic number.

240220163 is a deficient number, since it is larger than the sum of its proper divisors (1).

240220163 is an equidigital number, since it uses as much as digits as its factorization.

240220163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 240220163 is about 15499.0374862441. The cubic root of 240220163 is about 621.6364702330.

The spelling of 240220163 in words is "two hundred forty million, two hundred twenty thousand, one hundred sixty-three".