204542112 has 96 divisors (see below), whose sum is σ = 555194304. Its totient is φ = 65894400.

The previous prime is 204542029. The next prime is 204542119. The reversal of 204542112 is 211245402.

204542112 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 (96).

It is not an unprimeable number, because it can be changed into a prime (204542119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617787 + ... + 618117.

It is an arithmetic number, because the mean of its divisors is an integer number (5783274).

Almost surely, 2^204542112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204542112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277597152).

204542112 is an abundant number, since it is smaller than the sum of its proper divisors (350652192).

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

204542112 is a wasteful number, since it uses less digits than its factorization.

204542112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 534 counting only the distinct ones).

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

The square root of 204542112 is about 14301.8219818315. The cubic root of 204542112 is about 589.1975224452.

Adding to 204542112 its reverse (211245402), we get a palindrome (415787514).

The spelling of 204542112 in words is "two hundred four million, five hundred forty-two thousand, one hundred twelve".