204330342100 has 18 divisors (see below), whose sum is σ = 443396842574. Its totient is φ = 81732136800.

The previous prime is 204330342077. The next prime is 204330342101. The reversal of 204330342100 is 1243033402.

It is a happy number.

204330342100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2919673156 + 201410668944 = 54034^2 + 448788^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204330342101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1021651611 + ... + 1021651810.

Almost surely, 2^204330342100 is an apocalyptic number.

204330342100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204330342100 is an abundant number, since it is smaller than the sum of its proper divisors (239066500474).

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

204330342100 is a wasteful number, since it uses less digits than its factorization.

204330342100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043303435 (or 2043303428 counting only the distinct ones).

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

Adding to 204330342100 its reverse (1243033402), we get a palindrome (205573375502).

The spelling of 204330342100 in words is "two hundred four billion, three hundred thirty million, three hundred forty-two thousand, one hundred".