204224400242 has 16 divisors (see below), whose sum is σ = 317038100760. Its totient is φ = 98548103808.

The previous prime is 204224400241. The next prime is 204224400257. The reversal of 204224400242 is 242004422402.

204224400242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 141924739441 + 62299660801 = 376729^2 + 249599^2 .

It is not an unprimeable number, because it can be changed into a prime (204224400241) 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, 633233 + ... + 899684.

Almost surely, 2^204224400242 is an apocalyptic number.

204224400242 is a deficient number, since it is larger than the sum of its proper divisors (112813700518).

204224400242 is a wasteful number, since it uses less digits than its factorization.

204224400242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535245.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 204224400242 its reverse (242004422402), we get a palindrome (446228822644).

The spelling of 204224400242 in words is "two hundred four billion, two hundred twenty-four million, four hundred thousand, two hundred forty-two".