220108513 has 2 divisors, whose sum is σ = 220108514. Its totient is φ = 220108512.

The previous prime is 220108501. The next prime is 220108543. The reversal of 220108513 is 315801022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165688384 + 54420129 = 12872^2 + 7377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220108513 is a prime.

It is not a weakly prime, because it can be changed into another prime (220108543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110054256 + 110054257.

It is an arithmetic number, because the mean of its divisors is an integer number (110054257).

Almost surely, 2^220108513 is an apocalyptic number.

It is an amenable number.

220108513 is a deficient number, since it is larger than the sum of its proper divisors (1).

220108513 is an equidigital number, since it uses as much as digits as its factorization.

220108513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 220108513 is about 14836.0544957209. The cubic root of 220108513 is about 603.7803107662.

Adding to 220108513 its reverse (315801022), we get a palindrome (535909535).

The spelling of 220108513 in words is "two hundred twenty million, one hundred eight thousand, five hundred thirteen".