220042094057 has 2 divisors, whose sum is σ = 220042094058. Its totient is φ = 220042094056.

The previous prime is 220042094021. The next prime is 220042094099. The reversal of 220042094057 is 750490240022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145310390416 + 74731703641 = 381196^2 + 273371^2 .

It is a cyclic number.

It is not a de Polignac number, because 220042094057 - 2⁶ = 220042093993 is a prime.

It is not a weakly prime, because it can be changed into another prime (220042091057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110021047028 + 110021047029.

It is an arithmetic number, because the mean of its divisors is an integer number (110021047029).

Almost surely, 2^220042094057 is an apocalyptic number.

It is an amenable number.

220042094057 is a deficient number, since it is larger than the sum of its proper divisors (1).

220042094057 is an equidigital number, since it uses as much as digits as its factorization.

220042094057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 220042094057 in words is "two hundred twenty billion, forty-two million, ninety-four thousand, fifty-seven".