204019515424 has 12 divisors (see below), whose sum is σ = 401663421054. Its totient is φ = 102009757696.

The previous prime is 204019515373. The next prime is 204019515437. The reversal of 204019515424 is 424515910402.

It can be written as a sum of positive squares in only one way, i.e., 201259904400 + 2759611024 = 448620^2 + 52532^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3187804897 + ... + 3187804960.

Almost surely, 2^204019515424 is an apocalyptic number.

It is an amenable number.

204019515424 is a deficient number, since it is larger than the sum of its proper divisors (197643905630).

204019515424 is an equidigital number, since it uses as much as digits as its factorization.

204019515424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6375609867 (or 6375609859 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 204019515424 in words is "two hundred four billion, nineteen million, five hundred fifteen thousand, four hundred twenty-four".