220317905069 has 2 divisors, whose sum is σ = 220317905070. Its totient is φ = 220317905068.

The previous prime is 220317905033. The next prime is 220317905077. The reversal of 220317905069 is 960509713022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167659129444 + 52658775625 = 409462^2 + 229475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220317905069 is a prime.

It is a super-2 number, since 2×220317905069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220317905029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110158952534 + 110158952535.

It is an arithmetic number, because the mean of its divisors is an integer number (110158952535).

Almost surely, 2^220317905069 is an apocalyptic number.

It is an amenable number.

220317905069 is a deficient number, since it is larger than the sum of its proper divisors (1).

220317905069 is an equidigital number, since it uses as much as digits as its factorization.

220317905069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 220317905069 in words is "two hundred twenty billion, three hundred seventeen million, nine hundred five thousand, sixty-nine".