204343103200 has 108 divisors (see below), whose sum is σ = 509696721072. Its totient is φ = 79997459200.

The previous prime is 204343103191. The next prime is 204343103339. The reversal of 204343103200 is 2301343402.

It is a happy number.

It is a super-2 number, since 2×204343103200² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1709385 + ... + 1825015.

It is an arithmetic number, because the mean of its divisors is an integer number (4719414084).

Almost surely, 2^204343103200 is an apocalyptic number.

204343103200 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 204343103200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254848360536).

204343103200 is an abundant number, since it is smaller than the sum of its proper divisors (305353617872).

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

204343103200 is a wasteful number, since it uses less digits than its factorization.

204343103200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115745 (or 115685 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 204343103200 its reverse (2301343402), we get a palindrome (206644446602).

The spelling of 204343103200 in words is "two hundred four billion, three hundred forty-three million, one hundred three thousand, two hundred".