220042043057 has 2 divisors, whose sum is σ = 220042043058. Its totient is φ = 220042043056.

The previous prime is 220042043017. The next prime is 220042043063. The reversal of 220042043057 is 750340240022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123621856801 + 96420186256 = 351599^2 + 310516^2 .

It is a cyclic number.

It is not a de Polignac number, because 220042043057 - 2⁶ = 220042042993 is a prime.

It is not a weakly prime, because it can be changed into another prime (220042043017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110021021528 + 110021021529.

It is an arithmetic number, because the mean of its divisors is an integer number (110021021529).

Almost surely, 2^220042043057 is an apocalyptic number.

It is an amenable number.

220042043057 is a deficient number, since it is larger than the sum of its proper divisors (1).

220042043057 is an equidigital number, since it uses as much as digits as its factorization.

220042043057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 29.

Adding to 220042043057 its reverse (750340240022), we get a palindrome (970382283079).

The spelling of 220042043057 in words is "two hundred twenty billion, forty-two million, forty-three thousand, fifty-seven".