20118104635 has 8 divisors (see below), whose sum is σ = 24146446896. Its totient is φ = 16091336160.

The previous prime is 20118104579. The next prime is 20118104711. The reversal of 20118104635 is 53640181102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20118104635 - 2¹⁵ = 20118071867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20118104597 and 20118104606.

It is an unprimeable number.

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, 365136 + ... + 416605.

It is an arithmetic number, because the mean of its divisors is an integer number (3018305862).

Almost surely, 2^20118104635 is an apocalyptic number.

20118104635 is a deficient number, since it is larger than the sum of its proper divisors (4028342261).

20118104635 is an equidigital number, since it uses as much as digits as its factorization.

20118104635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786893.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 20118104635 its reverse (53640181102), we get a palindrome (73758285737).

The spelling of 20118104635 in words is "twenty billion, one hundred eighteen million, one hundred four thousand, six hundred thirty-five".