220769353229 has 2 divisors, whose sum is σ = 220769353230. Its totient is φ = 220769353228.

The previous prime is 220769353199. The next prime is 220769353243. The reversal of 220769353229 is 922353967022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214670055625 + 6099297604 = 463325^2 + 78098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220769353229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220769350229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110384676614 + 110384676615.

It is an arithmetic number, because the mean of its divisors is an integer number (110384676615).

Almost surely, 2^220769353229 is an apocalyptic number.

It is an amenable number.

220769353229 is a deficient number, since it is larger than the sum of its proper divisors (1).

220769353229 is an equidigital number, since it uses as much as digits as its factorization.

220769353229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 220769353229 in words is "two hundred twenty billion, seven hundred sixty-nine million, three hundred fifty-three thousand, two hundred twenty-nine".