20604130564306 has 8 divisors (see below), whose sum is σ = 31026453418620. Its totient is φ = 10261979424768.

The previous prime is 20604130564243. The next prime is 20604130564313. The reversal of 20604130564306 is 60346503140602.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12886340960025 + 7717789604281 = 3589755^2 + 2778091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20042928051 + ... + 20042929078.

Almost surely, 2^{20604130564306} is an apocalyptic number.

20604130564306 is a deficient number, since it is larger than the sum of its proper divisors (10422322854314).

20604130564306 is a wasteful number, since it uses less digits than its factorization.

20604130564306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40085857388.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 20604130564306 in words is "twenty trillion, six hundred four billion, one hundred thirty million, five hundred sixty-four thousand, three hundred six".