204220403420113 has 2 divisors, whose sum is σ = 204220403420114. Its totient is φ = 204220403420112.

The previous prime is 204220403420051. The next prime is 204220403420171. The reversal of 204220403420113 is 311024304022402.

204220403420113 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., 147817644848784 + 56402758571329 = 12158028^2 + 7510177^2 .

It is a cyclic number.

It is not a de Polignac number, because 204220403420113 - 2⁹ = 204220403419601 is a prime.

It is not a weakly prime, because it can be changed into another prime (204220403420213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102110201710056 + 102110201710057.

It is an arithmetic number, because the mean of its divisors is an integer number (102110201710057).

Almost surely, 2^{204220403420113} is an apocalyptic number.

It is an amenable number.

204220403420113 is a deficient number, since it is larger than the sum of its proper divisors (1).

204220403420113 is an equidigital number, since it uses as much as digits as its factorization.

204220403420113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 204220403420113 its reverse (311024304022402), we get a palindrome (515244707442515).

The spelling of 204220403420113 in words is "two hundred four trillion, two hundred twenty billion, four hundred three million, four hundred twenty thousand, one hundred thirteen".