204065782833 has 16 divisors (see below), whose sum is σ = 299276044992. Its totient is φ = 123676229600.

The previous prime is 204065782831. The next prime is 204065782841. The reversal of 204065782833 is 338287560402.

It is a happy number.

It is not a de Polignac number, because 204065782833 - 2¹ = 204065782831 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204065782831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25548948 + ... + 25556933.

It is an arithmetic number, because the mean of its divisors is an integer number (18704752812).

Almost surely, 2^204065782833 is an apocalyptic number.

It is an amenable number.

204065782833 is a deficient number, since it is larger than the sum of its proper divisors (95210262159).

204065782833 is an equidigital number, since it uses as much as digits as its factorization.

204065782833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51105917 (or 51105895 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 204065782833 in words is "two hundred four billion, sixty-five million, seven hundred eighty-two thousand, eight hundred thirty-three".