204121360 has 40 divisors (see below), whose sum is σ = 489897216. Its totient is φ = 79013760.

The previous prime is 204121349. The next prime is 204121367. The reversal of 204121360 is 63121402.

204121360 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (204121367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38674 + ... + 43633.

Almost surely, 2^204121360 is an apocalyptic number.

204121360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204121360 is an abundant number, since it is smaller than the sum of its proper divisors (285775856).

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

204121360 is a wasteful number, since it uses less digits than its factorization.

204121360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82351 (or 82345 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 204121360 is about 14287.1046751957. The cubic root of 204121360 is about 588.7932434884.

Adding to 204121360 its reverse (63121402), we get a palindrome (267242762).

The spelling of 204121360 in words is "two hundred four million, one hundred twenty-one thousand, three hundred sixty".