204124200 has 288 divisors, whose sum is σ = 755710560. Its totient is φ = 45427200.

The previous prime is 204124187. The next prime is 204124213. The reversal of 204124200 is 2421402.

It is an interprime number because it is at equal distance from previous prime (204124187) and next prime (204124213).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 204124200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1558135 + ... + 1558265.

It is an arithmetic number, because the mean of its divisors is an integer number (2623995).

Almost surely, 2^204124200 is an apocalyptic number.

204124200 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 204124200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377855280).

204124200 is an abundant number, since it is smaller than the sum of its proper divisors (551586360).

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

204124200 is a wasteful number, since it uses less digits than its factorization.

204124200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 204124200 is about 14287.2040651766. The cubic root of 204124200 is about 588.7959741597.

Adding to 204124200 its reverse (2421402), we get a palindrome (206545602).

The spelling of 204124200 in words is "two hundred four million, one hundred twenty-four thousand, two hundred".