20804932132841 has 4 divisors (see below), whose sum is σ = 20827041519684. Its totient is φ = 20782822746000.

The previous prime is 20804932132801. The next prime is 20804932132883. The reversal of 20804932132841 is 14823123940802.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13829443689616 + 6975488443225 = 3718796^2 + 2641115^2 .

It is a cyclic number.

It is not a de Polignac number, because 20804932132841 - 2¹⁰ = 20804932131817 is a prime.

It is a super-2 number, since 2×20804932132841² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20804932132801) 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, 11054692010 + ... + 11054693891.

It is an arithmetic number, because the mean of its divisors is an integer number (5206760379921).

Almost surely, 2^{20804932132841} is an apocalyptic number.

It is an amenable number.

20804932132841 is a deficient number, since it is larger than the sum of its proper divisors (22109386843).

20804932132841 is an equidigital number, since it uses as much as digits as its factorization.

20804932132841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22109386842.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 20804932132841 in words is "twenty trillion, eight hundred four billion, nine hundred thirty-two million, one hundred thirty-two thousand, eight hundred forty-one".