220740354838573 has 2 divisors, whose sum is σ = 220740354838574. Its totient is φ = 220740354838572.

The previous prime is 220740354838541. The next prime is 220740354838639. The reversal of 220740354838573 is 375838453047022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180836143786089 + 39904211052484 = 13447533^2 + 6316978^2 .

It is a cyclic number.

It is not a de Polignac number, because 220740354838573 - 2⁵ = 220740354838541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220740354838873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110370177419286 + 110370177419287.

It is an arithmetic number, because the mean of its divisors is an integer number (110370177419287).

Almost surely, 2^{220740354838573} is an apocalyptic number.

It is an amenable number.

220740354838573 is a deficient number, since it is larger than the sum of its proper divisors (1).

220740354838573 is an equidigital number, since it uses as much as digits as its factorization.

220740354838573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135475200, while the sum is 61.

The spelling of 220740354838573 in words is "two hundred twenty trillion, seven hundred forty billion, three hundred fifty-four million, eight hundred thirty-eight thousand, five hundred seventy-three".