20126324246452 has 12 divisors (see below), whose sum is σ = 35348219301220. Its totient is φ = 10026833017536.

The previous prime is 20126324246447. The next prime is 20126324246507. The reversal of 20126324246452 is 25464242362102.

It can be written as a sum of positive squares in 2 ways, for example, as 10720411833616 + 9405912412836 = 3274204^2 + 3066906^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20126324246399 and 20126324246408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9082275177 + ... + 9082277392.

Almost surely, 2^{20126324246452} is an apocalyptic number.

It is an amenable number.

20126324246452 is a deficient number, since it is larger than the sum of its proper divisors (15221895054768).

20126324246452 is a wasteful number, since it uses less digits than its factorization.

20126324246452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18164552850 (or 18164552848 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 43.

The spelling of 20126324246452 in words is "twenty trillion, one hundred twenty-six billion, three hundred twenty-four million, two hundred forty-six thousand, four hundred fifty-two".