220542298057 has 2 divisors, whose sum is σ = 220542298058. Its totient is φ = 220542298056.

The previous prime is 220542298051. The next prime is 220542298129. The reversal of 220542298057 is 750892245022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207804692736 + 12737605321 = 455856^2 + 112861^2 .

It is a cyclic number.

It is not a de Polignac number, because 220542298057 - 2³¹ = 218394814409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220542297998 and 220542298016.

It is not a weakly prime, because it can be changed into another prime (220542298051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110271149028 + 110271149029.

It is an arithmetic number, because the mean of its divisors is an integer number (110271149029).

Almost surely, 2^220542298057 is an apocalyptic number.

It is an amenable number.

220542298057 is a deficient number, since it is larger than the sum of its proper divisors (1).

220542298057 is an equidigital number, since it uses as much as digits as its factorization.

220542298057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 220542298057 in words is "two hundred twenty billion, five hundred forty-two million, two hundred ninety-eight thousand, fifty-seven".