204131232 has 96 divisors (see below), whose sum is σ = 615988800. Its totient is φ = 65689344.

The previous prime is 204131227. The next prime is 204131237. The reversal of 204131232 is 232131402.

204131232 is a `hidden beast` number, since 20 + 413 + 1 + 232 = 666.

It is an interprime number because it is at equal distance from previous prime (204131227) and next prime (204131237).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (204131237) 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, 20983 + ... + 29129.

It is an arithmetic number, because the mean of its divisors is an integer number (6416550).

Almost surely, 2^204131232 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 204131232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307994400).

204131232 is an abundant number, since it is smaller than the sum of its proper divisors (411857568).

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

204131232 is a wasteful number, since it uses less digits than its factorization.

204131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8195 (or 8181 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 204131232 is about 14287.4501573934. The cubic root of 204131232 is about 588.8027353469.

Adding to 204131232 its reverse (232131402), we get a palindrome (436262634).

The spelling of 204131232 in words is "two hundred four million, one hundred thirty-one thousand, two hundred thirty-two".