220107805717 has 2 divisors, whose sum is σ = 220107805718. Its totient is φ = 220107805716.

The previous prime is 220107805699. The next prime is 220107805759. The reversal of 220107805717 is 717508701022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171500343876 + 48607461841 = 414126^2 + 220471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220107805717 is a prime.

It is a super-2 number, since 2×220107805717² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220107805717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220107805117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110053902858 + 110053902859.

It is an arithmetic number, because the mean of its divisors is an integer number (110053902859).

Almost surely, 2^220107805717 is an apocalyptic number.

It is an amenable number.

220107805717 is a deficient number, since it is larger than the sum of its proper divisors (1).

220107805717 is an equidigital number, since it uses as much as digits as its factorization.

220107805717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54880, while the sum is 40.

The spelling of 220107805717 in words is "two hundred twenty billion, one hundred seven million, eight hundred five thousand, seven hundred seventeen".