204310043300 has 72 divisors (see below), whose sum is σ = 483867259680. Its totient is φ = 74262355200.

The previous prime is 204310043291. The next prime is 204310043317. The reversal of 204310043300 is 3340013402.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2575631 + ... + 2653769.

Almost surely, 2^204310043300 is an apocalyptic number.

204310043300 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 204310043300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241933629840).

204310043300 is an abundant number, since it is smaller than the sum of its proper divisors (279557216380).

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

204310043300 is a wasteful number, since it uses less digits than its factorization.

204310043300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80541 (or 80534 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 204310043300 its reverse (3340013402), we get a palindrome (207650056702).

The spelling of 204310043300 in words is "two hundred four billion, three hundred ten million, forty-three thousand, three hundred".