204220342100413 has 2 divisors, whose sum is σ = 204220342100414. Its totient is φ = 204220342100412.

The previous prime is 204220342100303. The next prime is 204220342100441. The reversal of 204220342100413 is 314001243022402.

It is an a-pointer prime, because the next prime (204220342100441) can be obtained adding 204220342100413 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183283888144644 + 20936453955769 = 13538238^2 + 4575637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204220342100413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204220342100483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102110171050206 + 102110171050207.

It is an arithmetic number, because the mean of its divisors is an integer number (102110171050207).

Almost surely, 2^{204220342100413} is an apocalyptic number.

It is an amenable number.

204220342100413 is a deficient number, since it is larger than the sum of its proper divisors (1).

204220342100413 is an equidigital number, since it uses as much as digits as its factorization.

204220342100413 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 204220342100413 its reverse (314001243022402), we get a palindrome (518221585122815).

The spelling of 204220342100413 in words is "two hundred four trillion, two hundred twenty billion, three hundred forty-two million, one hundred thousand, four hundred thirteen".