13220350255 has 16 divisors (see below), whose sum is σ = 18160962624. Its totient is φ = 9050284800.

The previous prime is 13220350219. The next prime is 13220350261. The reversal of 13220350255 is 55205302231.

It is a de Polignac number, because none of the positive numbers 2^k-13220350255 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293212 + ... + 335281.

It is an arithmetic number, because the mean of its divisors is an integer number (1135060164).

Almost surely, 2^13220350255 is an apocalyptic number.

13220350255 is a deficient number, since it is larger than the sum of its proper divisors (4940612369).

13220350255 is an equidigital number, since it uses as much as digits as its factorization.

13220350255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629106.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 13220350255 its reverse (55205302231), we get a palindrome (68425652486).

The spelling of 13220350255 in words is "thirteen billion, two hundred twenty million, three hundred fifty thousand, two hundred fifty-five".