204134434300 has 72 divisors (see below), whose sum is σ = 477878695056. Its totient is φ = 75400565760.

The previous prime is 204134434277. The next prime is 204134434319. The reversal of 204134434300 is 3434431402.

It is a congruent number.

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, 1042722 + ... + 1222921.

It is an arithmetic number, because the mean of its divisors is an integer number (6637204098).

Almost surely, 2^204134434300 is an apocalyptic number.

204134434300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204134434300 is an abundant number, since it is smaller than the sum of its proper divisors (273744260756).

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

204134434300 is a wasteful number, since it uses less digits than its factorization.

204134434300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265727 (or 2265720 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 204134434300 its reverse (3434431402), we get a palindrome (207568865702).

The spelling of 204134434300 in words is "two hundred four billion, one hundred thirty-four million, four hundred thirty-four thousand, three hundred".