220399093 has 2 divisors, whose sum is σ = 220399094. Its totient is φ = 220399092.

The previous prime is 220399063. The next prime is 220399103. The reversal of 220399093 is 390993022.

220399093 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., 182736324 + 37662769 = 13518^2 + 6137^2 .

It is a cyclic number.

It is not a de Polignac number, because 220399093 - 2⁵ = 220399061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220399013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110199546 + 110199547.

It is an arithmetic number, because the mean of its divisors is an integer number (110199547).

Almost surely, 2^220399093 is an apocalyptic number.

It is an amenable number.

220399093 is a deficient number, since it is larger than the sum of its proper divisors (1).

220399093 is an equidigital number, since it uses as much as digits as its factorization.

220399093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 220399093 is about 14845.8443006789. The cubic root of 220399093 is about 604.0458908819.

The spelling of 220399093 in words is "two hundred twenty million, three hundred ninety-nine thousand, ninety-three".