220950239 has 2 divisors, whose sum is σ = 220950240. Its totient is φ = 220950238.

The previous prime is 220950227. The next prime is 220950253. The reversal of 220950239 is 932059022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220950239 - 2²⁰ = 219901663 is a prime.

It is a super-2 number, since 2×220950239² = 97638016228314242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220959239) 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, 110475119 + 110475120.

It is an arithmetic number, because the mean of its divisors is an integer number (110475120).

Almost surely, 2^220950239 is an apocalyptic number.

220950239 is a deficient number, since it is larger than the sum of its proper divisors (1).

220950239 is an equidigital number, since it uses as much as digits as its factorization.

220950239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 220950239 is about 14864.3950095522. The cubic root of 220950239 is about 604.5489787894.

The spelling of 220950239 in words is "two hundred twenty million, nine hundred fifty thousand, two hundred thirty-nine".