20050648889 has 8 divisors (see below), whose sum is σ = 21174495552. Its totient is φ = 18947808880.

The previous prime is 20050648867. The next prime is 20050648901. The reversal of 20050648889 is 98884605002.

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 20050648889 - 2¹² = 20050644793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20050648489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5249702 + ... + 5253519.

It is an arithmetic number, because the mean of its divisors is an integer number (2646811944).

Almost surely, 2^20050648889 is an apocalyptic number.

It is an amenable number.

20050648889 is a deficient number, since it is larger than the sum of its proper divisors (1123846663).

20050648889 is a wasteful number, since it uses less digits than its factorization.

20050648889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10503327.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 20050648889 in words is "twenty billion, fifty million, six hundred forty-eight thousand, eight hundred eighty-nine".