204303400 has 48 divisors (see below), whose sum is σ = 542867040. Its totient is φ = 70046400.

The previous prime is 204303367. The next prime is 204303403. The reversal of 204303400 is 4303402.

204303400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (204303403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71566 + ... + 74365.

It is an arithmetic number, because the mean of its divisors is an integer number (11309730).

Almost surely, 2^204303400 is an apocalyptic number.

204303400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204303400 is an abundant number, since it is smaller than the sum of its proper divisors (338563640).

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

204303400 is a wasteful number, since it uses less digits than its factorization.

204303400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145954 (or 145945 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 204303400 is about 14293.4740353771. The cubic root of 204303400 is about 588.9682244814.

Adding to 204303400 its reverse (4303402), we get a palindrome (208606802).

The spelling of 204303400 in words is "two hundred four million, three hundred three thousand, four hundred".