20585080841 has 8 divisors (see below), whose sum is σ = 22364732040. Its totient is φ = 18833455872.

The previous prime is 20585080687. The next prime is 20585080847. The reversal of 20585080841 is 14808058502.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 51337225 + 20533743616 = 7165^2 + 143296^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20585080841 - 2³⁴ = 3405211657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20585080847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7005026 + ... + 7007963.

It is an arithmetic number, because the mean of its divisors is an integer number (2795591505).

Almost surely, 2^20585080841 is an apocalyptic number.

It is an amenable number.

20585080841 is a deficient number, since it is larger than the sum of its proper divisors (1779651199).

20585080841 is a wasteful number, since it uses less digits than its factorization.

20585080841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14013115.

The product of its (nonzero) digits is 102400, while the sum is 41.

The spelling of 20585080841 in words is "twenty billion, five hundred eighty-five million, eighty thousand, eight hundred forty-one".