20841082834771 has 4 divisors (see below), whose sum is σ = 21349401928344. Its totient is φ = 20332763741200.

The previous prime is 20841082834661. The next prime is 20841082834777. The reversal of 20841082834771 is 17743828014802.

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 20841082834771 - 2¹¹ = 20841082832723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20841082834777) 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, 254159546725 + ... + 254159546806.

It is an arithmetic number, because the mean of its divisors is an integer number (5337350482086).

Almost surely, 2^{20841082834771} is an apocalyptic number.

20841082834771 is a deficient number, since it is larger than the sum of its proper divisors (508319093573).

20841082834771 is an equidigital number, since it uses as much as digits as its factorization.

20841082834771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508319093572.

The product of its (nonzero) digits is 4816896, while the sum is 55.

The spelling of 20841082834771 in words is "twenty trillion, eight hundred forty-one billion, eighty-two million, eight hundred thirty-four thousand, seven hundred seventy-one".