204420401303234 has 4 divisors (see below), whose sum is σ = 306630601954854. Its totient is φ = 102210200651616.

The previous prime is 204420401303203. The next prime is 204420401303249. The reversal of 204420401303234 is 432303104024402.

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., 202649545663009 + 1770855640225 = 14235503^2 + 1330735^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204420401303234.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105100325807 + ... + 51105100325810.

Almost surely, 2^{204420401303234} is an apocalyptic number.

204420401303234 is a deficient number, since it is larger than the sum of its proper divisors (102210200651620).

204420401303234 is a wasteful number, since it uses less digits than its factorization.

204420401303234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102210200651619.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 204420401303234 its reverse (432303104024402), we get a palindrome (636723505327636).

The spelling of 204420401303234 in words is "two hundred four trillion, four hundred twenty billion, four hundred one million, three hundred three thousand, two hundred thirty-four".