20013773543727 has 8 divisors (see below), whose sum is σ = 26696201359920. Its totient is φ = 13336930711680.

The previous prime is 20013773543717. The next prime is 20013773543761. The reversal of 20013773543727 is 72734537731002.

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

It is not a de Polignac number, because 20013773543727 - 2¹⁰ = 20013773542703 is a prime.

It is a super-3 number, since 3×20013773543727³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 20013773543727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013773543717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1396237674 + ... + 1396252007.

It is an arithmetic number, because the mean of its divisors is an integer number (3337025169990).

Almost surely, 2^{20013773543727} is an apocalyptic number.

20013773543727 is a deficient number, since it is larger than the sum of its proper divisors (6682427816193).

20013773543727 is a wasteful number, since it uses less digits than its factorization.

20013773543727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792492073.

The product of its (nonzero) digits is 5186160, while the sum is 51.

The spelling of 20013773543727 in words is "twenty trillion, thirteen billion, seven hundred seventy-three million, five hundred forty-three thousand, seven hundred twenty-seven".