20104340104 has 16 divisors (see below), whose sum is σ = 38061616320. Its totient is φ = 9954575760.

The previous prime is 20104340023. The next prime is 20104340129. The reversal of 20104340104 is 40104340102.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12198412 + ... + 12200059.

It is an arithmetic number, because the mean of its divisors is an integer number (2378851020).

Almost surely, 2^20104340104 is an apocalyptic number.

It is an amenable number.

20104340104 is a deficient number, since it is larger than the sum of its proper divisors (17957276216).

20104340104 is a wasteful number, since it uses less digits than its factorization.

20104340104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24398580 (or 24398576 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20104340104 its reverse (40104340102), we get a palindrome (60208680206).

The spelling of 20104340104 in words is "twenty billion, one hundred four million, three hundred forty thousand, one hundred four".