20008994319 has 12 divisors (see below), whose sum is σ = 29000525736. Its totient is φ = 13293801072.

The previous prime is 20008994287. The next prime is 20008994333. The reversal of 20008994319 is 91349980002.

20008994319 is a `hidden beast` number, since 200 + 0 + 8 + 9 + 9 + 431 + 9 = 666.

It is not a de Polignac number, because 20008994319 - 2⁵ = 20008994287 is a prime.

It is a super-2 number, since 2×20008994319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20008994389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3791257 + ... + 3796530.

It is an arithmetic number, because the mean of its divisors is an integer number (2416710478).

Almost surely, 2^20008994319 is an apocalyptic number.

20008994319 is a deficient number, since it is larger than the sum of its proper divisors (8991531417).

20008994319 is a wasteful number, since it uses less digits than its factorization.

20008994319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7588086 (or 7588083 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 20008994319 in words is "twenty billion, eight million, nine hundred ninety-four thousand, three hundred nineteen".