220573901 has 2 divisors, whose sum is σ = 220573902. Its totient is φ = 220573900.

The previous prime is 220573819. The next prime is 220573937. The reversal of 220573901 is 109375022.

220573901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165739876 + 54834025 = 12874^2 + 7405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220573901 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220573201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110286950 + 110286951.

It is an arithmetic number, because the mean of its divisors is an integer number (110286951).

Almost surely, 2^220573901 is an apocalyptic number.

It is an amenable number.

220573901 is a deficient number, since it is larger than the sum of its proper divisors (1).

220573901 is an equidigital number, since it uses as much as digits as its factorization.

220573901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 220573901 is about 14851.7305725629. The cubic root of 220573901 is about 604.2055469379.

The spelling of 220573901 in words is "two hundred twenty million, five hundred seventy-three thousand, nine hundred one".