220404239999 has 2 divisors, whose sum is σ = 220404240000. Its totient is φ = 220404239998.

The previous prime is 220404239977. The next prime is 220404240071. The reversal of 220404239999 is 999932404022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220404239999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220404239999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220404439999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110202119999 + 110202120000.

It is an arithmetic number, because the mean of its divisors is an integer number (110202120000).

Almost surely, 2^220404239999 is an apocalyptic number.

220404239999 is a deficient number, since it is larger than the sum of its proper divisors (1).

220404239999 is an equidigital number, since it uses as much as digits as its factorization.

220404239999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 53.

The spelling of 220404239999 in words is "two hundred twenty billion, four hundred four million, two hundred thirty-nine thousand, nine hundred ninety-nine".