20104442011 has 8 divisors (see below), whose sum is σ = 20287895040. Its totient is φ = 19921382208.

The previous prime is 20104441993. The next prime is 20104442021. The reversal of 20104442011 is 11024440102.

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 20104442011 - 2²¹ = 20102344859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20104442011.

It is not an unprimeable number, because it can be changed into a prime (20104442021) 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, 4905 + ... + 200581.

It is an arithmetic number, because the mean of its divisors is an integer number (2535986880).

Almost surely, 2^20104442011 is an apocalyptic number.

20104442011 is a deficient number, since it is larger than the sum of its proper divisors (183453029).

20104442011 is a wasteful number, since it uses less digits than its factorization.

20104442011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196613.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20104442011 its reverse (11024440102), we get a palindrome (31128882113).

The spelling of 20104442011 in words is "twenty billion, one hundred four million, four hundred forty-two thousand, eleven".