20323211103 has 36 divisors (see below), whose sum is σ = 32262189960. Its totient is φ = 12319864128.

The previous prime is 20323211101. The next prime is 20323211137. The reversal of 20323211103 is 30111232302.

It is not a de Polignac number, because 20323211103 - 2¹ = 20323211101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323211101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2193 + ... + 201621.

Almost surely, 2^20323211103 is an apocalyptic number.

20323211103 is a deficient number, since it is larger than the sum of its proper divisors (11938978857).

20323211103 is a wasteful number, since it uses less digits than its factorization.

20323211103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199528 (or 199512 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20323211103 its reverse (30111232302), we get a palindrome (50434443405).

The spelling of 20323211103 in words is "twenty billion, three hundred twenty-three million, two hundred eleven thousand, one hundred three".