220540339 has 2 divisors, whose sum is σ = 220540340. Its totient is φ = 220540338.

The previous prime is 220540291. The next prime is 220540381. The reversal of 220540339 is 933045022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220540339 - 2⁷ = 220540211 is a prime.

It is a super-2 number, since 2×220540339² = 97276082252469842, which contains 22 as substring.

It is equal to p_12150586 and since 220540339 and 12150586 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (220540139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110270169 + 110270170.

It is an arithmetic number, because the mean of its divisors is an integer number (110270170).

Almost surely, 2^220540339 is an apocalyptic number.

220540339 is a deficient number, since it is larger than the sum of its proper divisors (1).

220540339 is an equidigital number, since it uses as much as digits as its factorization.

220540339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 220540339 is about 14850.6006275841. The cubic root of 220540339 is about 604.1749005574.

The spelling of 220540339 in words is "two hundred twenty million, five hundred forty thousand, three hundred thirty-nine".