220344243263 has 2 divisors, whose sum is σ = 220344243264. Its totient is φ = 220344243262.

The previous prime is 220344243239. The next prime is 220344243307. The reversal of 220344243263 is 362342443022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220344243263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220344243463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110172121631 + 110172121632.

It is an arithmetic number, because the mean of its divisors is an integer number (110172121632).

Almost surely, 2^220344243263 is an apocalyptic number.

220344243263 is a deficient number, since it is larger than the sum of its proper divisors (1).

220344243263 is an equidigital number, since it uses as much as digits as its factorization.

220344243263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 220344243263 its reverse (362342443022), we get a palindrome (582686686285).

The spelling of 220344243263 in words is "two hundred twenty billion, three hundred forty-four million, two hundred forty-three thousand, two hundred sixty-three".