204799533008 has 80 divisors (see below), whose sum is σ = 459494400000. Its totient is φ = 86609367936.

The previous prime is 204799533007. The next prime is 204799533079. The reversal of 204799533008 is 800335997402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204799533007) 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, 17681363 + ... + 17692941.

It is an arithmetic number, because the mean of its divisors is an integer number (5743680000).

Almost surely, 2^204799533008 is an apocalyptic number.

204799533008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204799533008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229747200000).

204799533008 is an abundant number, since it is smaller than the sum of its proper divisors (254694866992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204799533008 is a wasteful number, since it uses less digits than its factorization.

204799533008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13672 (or 13666 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 204799533008 in words is "two hundred four billion, seven hundred ninety-nine million, five hundred thirty-three thousand, eight".