20366445041 has 4 divisors (see below), whose sum is σ = 20368902132. Its totient is φ = 20363987952.

The previous prime is 20366445031. The next prime is 20366445067. The reversal of 20366445041 is 14054466302.

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 9717030625 + 10649414416 = 98575^2 + 103196^2 .

It is a cyclic number.

It is not a de Polignac number, because 20366445041 - 2³⁴ = 3186575857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20366444992 and 20366445010.

It is not an unprimeable number, because it can be changed into a prime (20366445031) 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, 1216070 + ... + 1232703.

It is an arithmetic number, because the mean of its divisors is an integer number (5092225533).

Almost surely, 2^20366445041 is an apocalyptic number.

It is an amenable number.

20366445041 is a deficient number, since it is larger than the sum of its proper divisors (2457091).

20366445041 is an equidigital number, since it uses as much as digits as its factorization.

20366445041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457090.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 20366445041 in words is "twenty billion, three hundred sixty-six million, four hundred forty-five thousand, forty-one".