220130821497677 has 2 divisors, whose sum is σ = 220130821497678. Its totient is φ = 220130821497676.

The previous prime is 220130821497593. The next prime is 220130821497751. The reversal of 220130821497677 is 776794128031022.

It is a happy number.

220130821497677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183190026022441 + 36940795475236 = 13534771^2 + 6077894^2 .

It is a cyclic number.

It is not a de Polignac number, because 220130821497677 - 2¹⁰ = 220130821496653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220130821467677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110065410748838 + 110065410748839.

It is an arithmetic number, because the mean of its divisors is an integer number (110065410748839).

Almost surely, 2^{220130821497677} is an apocalyptic number.

It is an amenable number.

220130821497677 is a deficient number, since it is larger than the sum of its proper divisors (1).

220130821497677 is an equidigital number, since it uses as much as digits as its factorization.

220130821497677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14224896, while the sum is 59.

The spelling of 220130821497677 in words is "two hundred twenty trillion, one hundred thirty billion, eight hundred twenty-one million, four hundred ninety-seven thousand, six hundred seventy-seven".