20116756002443 has 4 divisors (see below), whose sum is σ = 21300094590840. Its totient is φ = 18933417414048.

The previous prime is 20116756002439. The next prime is 20116756002481. The reversal of 20116756002443 is 34420065761102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20116756002443 - 2² = 20116756002439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20116756002443.

It is not an unprimeable number, because it can be changed into a prime (20116756002403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591669294173 + ... + 591669294206.

It is an arithmetic number, because the mean of its divisors is an integer number (5325023647710).

Almost surely, 2^{20116756002443} is an apocalyptic number.

20116756002443 is a deficient number, since it is larger than the sum of its proper divisors (1183338588397).

20116756002443 is a wasteful number, since it uses less digits than its factorization.

20116756002443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183338588396.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 20116756002443 in words is "twenty trillion, one hundred sixteen billion, seven hundred fifty-six million, two thousand, four hundred forty-three".