204258000 has 160 divisors (see below), whose sum is σ = 670849920. Its totient is φ = 53452800.

The previous prime is 204257981. The next prime is 204258001. The reversal of 204258000 is 852402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204258001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353712 + ... + 354288.

It is an arithmetic number, because the mean of its divisors is an integer number (4192812).

Almost surely, 2^204258000 is an apocalyptic number.

204258000 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 204258000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335424960).

204258000 is an abundant number, since it is smaller than the sum of its proper divisors (466591920).

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

204258000 is a wasteful number, since it uses less digits than its factorization.

204258000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 204258000 is about 14291.8858097873. The cubic root of 204258000 is about 588.9245946996.

The spelling of 204258000 in words is "two hundred four million, two hundred fifty-eight thousand".