220655413529 has 2 divisors, whose sum is σ = 220655413530. Its totient is φ = 220655413528.

The previous prime is 220655413487. The next prime is 220655413541. The reversal of 220655413529 is 925314556022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168241889929 + 52413523600 = 410173^2 + 228940^2 .

It is a cyclic number.

It is not a de Polignac number, because 220655413529 - 2¹² = 220655409433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220655413529.

It is not a weakly prime, because it can be changed into another prime (220655413129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110327706764 + 110327706765.

It is an arithmetic number, because the mean of its divisors is an integer number (110327706765).

Almost surely, 2^220655413529 is an apocalyptic number.

It is an amenable number.

220655413529 is a deficient number, since it is larger than the sum of its proper divisors (1).

220655413529 is an equidigital number, since it uses as much as digits as its factorization.

220655413529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 220655413529 in words is "two hundred twenty billion, six hundred fifty-five million, four hundred thirteen thousand, five hundred twenty-nine".