204002442 has 64 divisors (see below), whose sum is σ = 525269760. Its totient is φ = 57480192.

The previous prime is 204002399. The next prime is 204002473. The reversal of 204002442 is 244200402.

204002442 is a `hidden beast` number, since 20 + 400 + 244 + 2 = 666.

204002442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

204002442 is a modest number, since divided by 2442 gives 204 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23898 + ... + 31290.

It is an arithmetic number, because the mean of its divisors is an integer number (8207340).

Almost surely, 2^204002442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204002442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262634880).

204002442 is an abundant number, since it is smaller than the sum of its proper divisors (321267318).

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

204002442 is a wasteful number, since it uses less digits than its factorization.

204002442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7484 (or 7478 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 204002442 is about 14282.9423439290. The cubic root of 204002442 is about 588.6788806137.

Adding to 204002442 its reverse (244200402), we get a palindrome (448202844).

The spelling of 204002442 in words is "two hundred four million, two thousand, four hundred forty-two".