204897120 has 192 divisors, whose sum is σ = 675682560. Its totient is φ = 52144128.

The previous prime is 204897113. The next prime is 204897149. The reversal of 204897120 is 21798402.

It is a happy number.

204897120 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1474011 + ... + 1474149.

It is an arithmetic number, because the mean of its divisors is an integer number (3519180).

Almost surely, 2^204897120 is an apocalyptic number.

204897120 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 204897120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337841280).

204897120 is an abundant number, since it is smaller than the sum of its proper divisors (470785440).

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

204897120 is a wasteful number, since it uses less digits than its factorization.

204897120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 204897120 is about 14314.2278869662. The cubic root of 204897120 is about 589.5382003545.

The spelling of 204897120 in words is "two hundred four million, eight hundred ninety-seven thousand, one hundred twenty".