204243233142242 has 32 divisors (see below), whose sum is σ = 358996222416384. Its totient is φ = 85320443980800.

The previous prime is 204243233142187. The next prime is 204243233142287. The reversal of 204243233142242 is 242241332342402.

It is a junction number, because it is equal to n+sod(n) for n = 204243233142196 and 204243233142205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160665359 + ... + 161931602.

It is an arithmetic number, because the mean of its divisors is an integer number (11218631950512).

Almost surely, 2^{204243233142242} is an apocalyptic number.

204243233142242 is a deficient number, since it is larger than the sum of its proper divisors (154752989274142).

204243233142242 is a wasteful number, since it uses less digits than its factorization.

204243233142242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322598114.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 204243233142242 its reverse (242241332342402), we get a palindrome (446484565484644).

The spelling of 204243233142242 in words is "two hundred four trillion, two hundred forty-three billion, two hundred thirty-three million, one hundred forty-two thousand, two hundred forty-two".