20104299999 has 12 divisors (see below), whose sum is σ = 33188050896. Its totient is φ = 11488171392.

The previous prime is 20104299991. The next prime is 20104300001. The reversal of 20104299999 is 99999240102.

20104299999 is a `hidden beast` number, since 201 + 0 + 429 + 9 + 9 + 9 + 9 = 666.

It is not a de Polignac number, because 20104299999 - 2³ = 20104299991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104299991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159557874 + ... + 159557999.

It is an arithmetic number, because the mean of its divisors is an integer number (2765670908).

Almost surely, 2^20104299999 is an apocalyptic number.

20104299999 is a deficient number, since it is larger than the sum of its proper divisors (13083750897).

20104299999 is a wasteful number, since it uses less digits than its factorization.

20104299999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319115886 (or 319115883 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 54.

The spelling of 20104299999 in words is "twenty billion, one hundred four million, two hundred ninety-nine thousand, nine hundred ninety-nine".