220256339 has 2 divisors, whose sum is σ = 220256340. Its totient is φ = 220256338.

The previous prime is 220256327. The next prime is 220256357. The reversal of 220256339 is 933652022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220256339 - 2⁸ = 220256083 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (220250339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110128169 + 110128170.

It is an arithmetic number, because the mean of its divisors is an integer number (110128170).

Almost surely, 2^220256339 is an apocalyptic number.

220256339 is a deficient number, since it is larger than the sum of its proper divisors (1).

220256339 is an equidigital number, since it uses as much as digits as its factorization.

220256339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 220256339 is about 14841.0356444555. The cubic root of 220256339 is about 603.9154478299.

The spelling of 220256339 in words is "two hundred twenty million, two hundred fifty-six thousand, three hundred thirty-nine".