220064420263 has 2 divisors, whose sum is σ = 220064420264. Its totient is φ = 220064420262.

The previous prime is 220064420239. The next prime is 220064420299. The reversal of 220064420263 is 362024460022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220064420263 - 2²¹ = 220062323111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220064420063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110032210131 + 110032210132.

It is an arithmetic number, because the mean of its divisors is an integer number (110032210132).

Almost surely, 2^220064420263 is an apocalyptic number.

220064420263 is a deficient number, since it is larger than the sum of its proper divisors (1).

220064420263 is an equidigital number, since it uses as much as digits as its factorization.

220064420263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 220064420263 its reverse (362024460022), we get a palindrome (582088880285).

The spelling of 220064420263 in words is "two hundred twenty billion, sixty-four million, four hundred twenty thousand, two hundred sixty-three".