220120193 has 2 divisors, whose sum is σ = 220120194. Its totient is φ = 220120192.

The previous prime is 220120177. The next prime is 220120211. The reversal of 220120193 is 391021022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112105744 + 108014449 = 10588^2 + 10393^2 .

It is a cyclic number.

It is not a de Polignac number, because 220120193 - 2⁴ = 220120177 is a prime.

It is not a weakly prime, because it can be changed into another prime (220120133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110060096 + 110060097.

It is an arithmetic number, because the mean of its divisors is an integer number (110060097).

Almost surely, 2^220120193 is an apocalyptic number.

It is an amenable number.

220120193 is a deficient number, since it is larger than the sum of its proper divisors (1).

220120193 is an equidigital number, since it uses as much as digits as its factorization.

220120193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 220120193 is about 14836.4481261520. The cubic root of 220120193 is about 603.7909903914.

The spelling of 220120193 in words is "two hundred twenty million, one hundred twenty thousand, one hundred ninety-three".