204344403124 has 12 divisors (see below), whose sum is σ = 358428580804. Its totient is φ = 101936237184.

The previous prime is 204344403121. The next prime is 204344403149. The reversal of 204344403124 is 421304443402.

It can be written as a sum of positive squares in 2 ways, for example, as 7980206224 + 196364196900 = 89332^2 + 443130^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204344403121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58989147 + ... + 58992610.

Almost surely, 2^204344403124 is an apocalyptic number.

It is an amenable number.

204344403124 is a deficient number, since it is larger than the sum of its proper divisors (154084177680).

204344403124 is a wasteful number, since it uses less digits than its factorization.

204344403124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117982194 (or 117982192 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 204344403124 its reverse (421304443402), we get a palindrome (625648846526).

The spelling of 204344403124 in words is "two hundred four billion, three hundred forty-four million, four hundred three thousand, one hundred twenty-four".