20013773543711 has 8 divisors (see below), whose sum is σ = 20041186680240. Its totient is φ = 19986377476032.

The previous prime is 20013773543657. The next prime is 20013773543717. The reversal of 20013773543711 is 11734537731002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20013773543711 is a prime.

It is a super-2 number, since 2×20013773543711² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

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, 1919660 + ... + 6611553.

It is an arithmetic number, because the mean of its divisors is an integer number (2505148335030).

Almost surely, 2^{20013773543711} is an apocalyptic number.

20013773543711 is a deficient number, since it is larger than the sum of its proper divisors (27413136529).

20013773543711 is a wasteful number, since it uses less digits than its factorization.

20013773543711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8534425.

The product of its (nonzero) digits is 370440, while the sum is 44.

The spelling of 20013773543711 in words is "twenty trillion, thirteen billion, seven hundred seventy-three million, five hundred forty-three thousand, seven hundred eleven".