204043000000 has 392 divisors, whose sum is σ = 586097497856. Its totient is φ = 69033600000.

The previous prime is 204042999989. The next prime is 204043000003. The reversal of 204043000000 is 340402.

It is not an unprimeable number, because it can be changed into a prime (204043000003) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 720999859 + ... + 721000141.

Almost surely, 2^204043000000 is an apocalyptic number.

204043000000 is a gapful number since it is divisible by the number (20) 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 204043000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293048748928).

204043000000 is an abundant number, since it is smaller than the sum of its proper divisors (382054497856).

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

204043000000 is an frugal number, since it uses more digits than its factorization.

204043000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

Adding to 204043000000 its reverse (340402), we get a palindrome (204043340402).

The spelling of 204043000000 in words is "two hundred four billion, forty-three million", and thus it is an aban number.