20113353105 has 16 divisors (see below), whose sum is σ = 32622207360. Its totient is φ = 10580174208.

The previous prime is 20113353041. The next prime is 20113353151. The reversal of 20113353105 is 50135331102.

It is not a de Polignac number, because 20113353105 - 2⁶ = 20113353041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9183085 + ... + 9185274.

It is an arithmetic number, because the mean of its divisors is an integer number (2038887960).

Almost surely, 2^20113353105 is an apocalyptic number.

It is an amenable number.

20113353105 is a deficient number, since it is larger than the sum of its proper divisors (12508854255).

20113353105 is a wasteful number, since it uses less digits than its factorization.

20113353105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18368440.

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 20113353105 its reverse (50135331102), we get a palindrome (70248684207).

The spelling of 20113353105 in words is "twenty billion, one hundred thirteen million, three hundred fifty-three thousand, one hundred five".