204102506496 has 384 divisors, whose sum is σ = 661353638400. Its totient is φ = 54676684800.

The previous prime is 204102506471. The next prime is 204102506497. The reversal of 204102506496 is 694605201402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204102506497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82531116 + ... + 82533588.

It is an arithmetic number, because the mean of its divisors is an integer number (1722275100).

Almost surely, 2^204102506496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204102506496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330676819200).

204102506496 is an abundant number, since it is smaller than the sum of its proper divisors (457251131904).

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

204102506496 is a wasteful number, since it uses less digits than its factorization.

204102506496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625 (or 2605 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

Adding to 204102506496 its reverse (694605201402), we get a palindrome (898707707898).

The spelling of 204102506496 in words is "two hundred four billion, one hundred two million, five hundred six thousand, four hundred ninety-six".