20846444041 has 2 divisors, whose sum is σ = 20846444042. Its totient is φ = 20846444040.

The previous prime is 20846444039. The next prime is 20846444051. The reversal of 20846444041 is 14044464802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15185386441 + 5661057600 = 123229^2 + 75240^2 .

It is a cyclic number.

It is not a de Polignac number, because 20846444041 - 2¹ = 20846444039 is a prime.

Together with 20846444039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20846444011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10423222020 + 10423222021.

It is an arithmetic number, because the mean of its divisors is an integer number (10423222021).

Almost surely, 2^20846444041 is an apocalyptic number.

It is an amenable number.

20846444041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20846444041 is an equidigital number, since it uses as much as digits as its factorization.

20846444041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98304, while the sum is 37.

The spelling of 20846444041 in words is "twenty billion, eight hundred forty-six million, four hundred forty-four thousand, forty-one".