20441339209 has 16 divisors (see below), whose sum is σ = 21684870144. Its totient is φ = 19237420800.

The previous prime is 20441339159. The next prime is 20441339213. The reversal of 20441339209 is 90293314402.

It is a cyclic number.

It is not a de Polignac number, because 20441339209 - 2⁷ = 20441339081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20441339249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372132 + ... + 423514.

It is an arithmetic number, because the mean of its divisors is an integer number (1355304384).

Almost surely, 2^20441339209 is an apocalyptic number.

It is an amenable number.

20441339209 is a deficient number, since it is larger than the sum of its proper divisors (1243530935).

20441339209 is a wasteful number, since it uses less digits than its factorization.

20441339209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51768.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 20441339209 in words is "twenty billion, four hundred forty-one million, three hundred thirty-nine thousand, two hundred nine".