204214323210442 has 4 divisors (see below), whose sum is σ = 306321484815666. Its totient is φ = 102107161605220.

The previous prime is 204214323210413. The next prime is 204214323210551. The reversal of 204214323210442 is 244012323412402.

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., 172695631759641 + 31518691450801 = 13141371^2 + 5614151^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204214323210398 and 204214323210407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51053580802609 + ... + 51053580802612.

Almost surely, 2^{204214323210442} is an apocalyptic number.

204214323210442 is a deficient number, since it is larger than the sum of its proper divisors (102107161605224).

204214323210442 is a wasteful number, since it uses less digits than its factorization.

204214323210442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102107161605223.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 204214323210442 its reverse (244012323412402), we get a palindrome (448226646622844).

The spelling of 204214323210442 in words is "two hundred four trillion, two hundred fourteen billion, three hundred twenty-three million, two hundred ten thousand, four hundred forty-two".