204775333061 has 4 divisors (see below), whose sum is σ = 220527281772. Its totient is φ = 189023384352.

The previous prime is 204775333039. The next prime is 204775333069. The reversal of 204775333061 is 160333577402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29114596900 + 175660736161 = 170630^2 + 419119^2 .

It is a cyclic number.

It is not a de Polignac number, because 204775333061 - 2¹⁰ = 204775332037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204775333069) 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 in 3 ways as a sum of consecutive naturals, for example, 7875974336 + ... + 7875974361.

It is an arithmetic number, because the mean of its divisors is an integer number (55131820443).

Almost surely, 2^204775333061 is an apocalyptic number.

It is an amenable number.

204775333061 is a deficient number, since it is larger than the sum of its proper divisors (15751948711).

204775333061 is a wasteful number, since it uses less digits than its factorization.

204775333061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15751948710.

The product of its (nonzero) digits is 317520, while the sum is 41.

The spelling of 204775333061 in words is "two hundred four billion, seven hundred seventy-five million, three hundred thirty-three thousand, sixty-one".