220516330109 has 2 divisors, whose sum is σ = 220516330110. Its totient is φ = 220516330108.

The previous prime is 220516330061. The next prime is 220516330163. The reversal of 220516330109 is 901033615022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210660804484 + 9855525625 = 458978^2 + 99275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220516330109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220516330169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110258165054 + 110258165055.

It is an arithmetic number, because the mean of its divisors is an integer number (110258165055).

Almost surely, 2^220516330109 is an apocalyptic number.

It is an amenable number.

220516330109 is a deficient number, since it is larger than the sum of its proper divisors (1).

220516330109 is an equidigital number, since it uses as much as digits as its factorization.

220516330109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The spelling of 220516330109 in words is "two hundred twenty billion, five hundred sixteen million, three hundred thirty thousand, one hundred nine".