220344243239 has 2 divisors, whose sum is σ = 220344243240. Its totient is φ = 220344243238.

The previous prime is 220344243211. The next prime is 220344243263. The reversal of 220344243239 is 932342443022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220344243239 - 2⁸ = 220344242983 is a prime.

It is a super-2 number, since 2×220344243239² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220344243739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110172121619 + 110172121620.

It is an arithmetic number, because the mean of its divisors is an integer number (110172121620).

Almost surely, 2^220344243239 is an apocalyptic number.

220344243239 is a deficient number, since it is larger than the sum of its proper divisors (1).

220344243239 is an equidigital number, since it uses as much as digits as its factorization.

220344243239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 38.

The spelling of 220344243239 in words is "two hundred twenty billion, three hundred forty-four million, two hundred forty-three thousand, two hundred thirty-nine".