204028800 has 192 divisors, whose sum is σ = 686406960. Its totient is φ = 53248000.

The previous prime is 204028753. The next prime is 204028801. The reversal of 204028800 is 8820402.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204028801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 508600 + ... + 509000.

Almost surely, 2^204028800 is an apocalyptic number.

204028800 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 204028800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343203480).

204028800 is an abundant number, since it is smaller than the sum of its proper divisors (482378160).

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

204028800 is a wasteful number, since it uses less digits than its factorization.

204028800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 204028800 is about 14283.8650231651. The cubic root of 204028800 is about 588.7042328098.

The spelling of 204028800 in words is "two hundred four million, twenty-eight thousand, eight hundred".