204220330032077 has 2 divisors, whose sum is σ = 204220330032078. Its totient is φ = 204220330032076.

The previous prime is 204220330032067. The next prime is 204220330032101. The reversal of 204220330032077 is 770230033022402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193852741456201 + 10367588575876 = 13923101^2 + 3219874^2 .

It is a cyclic number.

It is not a de Polignac number, because 204220330032077 - 2¹² = 204220330027981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204220330032067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102110165016038 + 102110165016039.

It is an arithmetic number, because the mean of its divisors is an integer number (102110165016039).

Almost surely, 2^{204220330032077} is an apocalyptic number.

It is an amenable number.

204220330032077 is a deficient number, since it is larger than the sum of its proper divisors (1).

204220330032077 is an equidigital number, since it uses as much as digits as its factorization.

204220330032077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 35.

Adding to 204220330032077 its reverse (770230033022402), we get a palindrome (974450363054479).

The spelling of 204220330032077 in words is "two hundred four trillion, two hundred twenty billion, three hundred thirty million, thirty-two thousand, seventy-seven".