20512873624996 has 27 divisors (see below), whose sum is σ = 37526531328811. Its totient is φ = 9810405136664.

The previous prime is 20512873624979. The next prime is 20512873625029. The reversal of 20512873624996 is 69942637821502.

The square root of 20512873624996 is 4529114.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 208290015 + ... + 208388473.

It is a 1-persistent number, because it is pandigital, but 2⋅20512873624996 = 41025747249992 is not.

Almost surely, 2^{20512873624996} is an apocalyptic number.

20512873624996 is the 4529114-th square number.

It is an amenable number.

20512873624996 is a deficient number, since it is larger than the sum of its proper divisors (17013657703815).

20512873624996 is an frugal number, since it uses more digits than its factorization.

20512873624996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196968 (or 98484 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 20512873624996 in words is "twenty trillion, five hundred twelve billion, eight hundred seventy-three million, six hundred twenty-four thousand, nine hundred ninety-six".