204000380 has 24 divisors (see below), whose sum is σ = 429937200. Its totient is φ = 81307520.

The previous prime is 204000361. The next prime is 204000383. The reversal of 204000380 is 83000402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204000383) 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 7 ways as a sum of consecutive naturals, for example, 12530 + ... + 23769.

It is an arithmetic number, because the mean of its divisors is an integer number (17914050).

Almost surely, 2^204000380 is an apocalyptic number.

204000380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204000380 is an abundant number, since it is smaller than the sum of its proper divisors (225936820).

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

204000380 is a wasteful number, since it uses less digits than its factorization.

204000380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36589 (or 36587 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 204000380 is about 14282.8701597403. The cubic root of 204000380 is about 588.6768972062.

Adding to 204000380 its reverse (83000402), we get a palindrome (287000782).

The spelling of 204000380 in words is "two hundred four million, three hundred eighty", and thus it is an aban number.