204244311242 has 4 divisors (see below), whose sum is σ = 306366466866. Its totient is φ = 102122155620.

The previous prime is 204244311241. The next prime is 204244311251. The reversal of 204244311242 is 242113442402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 184778759881 + 19465551361 = 429859^2 + 139519^2 .

It is not an unprimeable number, because it can be changed into a prime (204244311241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061077809 + ... + 51061077812.

Almost surely, 2^204244311242 is an apocalyptic number.

204244311242 is a deficient number, since it is larger than the sum of its proper divisors (102122155624).

204244311242 is a wasteful number, since it uses less digits than its factorization.

204244311242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102122155623.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 204244311242 its reverse (242113442402), we get a palindrome (446357753644).

The spelling of 204244311242 in words is "two hundred four billion, two hundred forty-four million, three hundred eleven thousand, two hundred forty-two".