220657771073 has 2 divisors, whose sum is σ = 220657771074. Its totient is φ = 220657771072.

The previous prime is 220657771057. The next prime is 220657771099. The reversal of 220657771073 is 370177756022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178344046864 + 42313724209 = 422308^2 + 205703^2 .

It is a cyclic number.

It is not a de Polignac number, because 220657771073 - 2⁴ = 220657771057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (220657771273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110328885536 + 110328885537.

It is an arithmetic number, because the mean of its divisors is an integer number (110328885537).

Almost surely, 2^220657771073 is an apocalyptic number.

It is an amenable number.

220657771073 is a deficient number, since it is larger than the sum of its proper divisors (1).

220657771073 is an equidigital number, since it uses as much as digits as its factorization.

220657771073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864360, while the sum is 47.

The spelling of 220657771073 in words is "two hundred twenty billion, six hundred fifty-seven million, seven hundred seventy-one thousand, seventy-three".