204033321220213 has 2 divisors, whose sum is σ = 204033321220214. Its totient is φ = 204033321220212.

The previous prime is 204033321220163. The next prime is 204033321220249. The reversal of 204033321220213 is 312022123330402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171791797521969 + 32241523698244 = 13106937^2 + 5678162^2 .

It is a cyclic number.

It is not a de Polignac number, because 204033321220213 - 2⁴¹ = 201834297964661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204033321223213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102016660610106 + 102016660610107.

It is an arithmetic number, because the mean of its divisors is an integer number (102016660610107).

Almost surely, 2^{204033321220213} is an apocalyptic number.

It is an amenable number.

204033321220213 is a deficient number, since it is larger than the sum of its proper divisors (1).

204033321220213 is an equidigital number, since it uses as much as digits as its factorization.

204033321220213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 204033321220213 its reverse (312022123330402), we get a palindrome (516055444550615).

The spelling of 204033321220213 in words is "two hundred four trillion, thirty-three billion, three hundred twenty-one million, two hundred twenty thousand, two hundred thirteen".