204241320277 has 2 divisors, whose sum is σ = 204241320278. Its totient is φ = 204241320276.

The previous prime is 204241320233. The next prime is 204241320281. The reversal of 204241320277 is 772023142402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193240247281 + 11001072996 = 439591^2 + 104886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204241320277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204241323277) 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, 102120660138 + 102120660139.

It is an arithmetic number, because the mean of its divisors is an integer number (102120660139).

Almost surely, 2^204241320277 is an apocalyptic number.

It is an amenable number.

204241320277 is a deficient number, since it is larger than the sum of its proper divisors (1).

204241320277 is an equidigital number, since it uses as much as digits as its factorization.

204241320277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 34.

Adding to 204241320277 its reverse (772023142402), we get a palindrome (976264462679).

The spelling of 204241320277 in words is "two hundred four billion, two hundred forty-one million, three hundred twenty thousand, two hundred seventy-seven".