204242304242242 has 48 divisors (see below), whose sum is σ = 375212399459040. Its totient is φ = 82909205370432.

The previous prime is 204242304242233. The next prime is 204242304242287. The reversal of 204242304242242 is 242242403242402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1229923 + ... + 20248390.

It is an arithmetic number, because the mean of its divisors is an integer number (7816924988730).

Almost surely, 2^{204242304242242} is an apocalyptic number.

204242304242242 is a deficient number, since it is larger than the sum of its proper divisors (170970095216798).

204242304242242 is a wasteful number, since it uses less digits than its factorization.

204242304242242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21483455 (or 21483448 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 37.

Adding to 204242304242242 its reverse (242242403242402), we get a palindrome (446484707484644).

The spelling of 204242304242242 in words is "two hundred four trillion, two hundred forty-two billion, three hundred four million, two hundred forty-two thousand, two hundred forty-two".