20112122303 has 32 divisors (see below), whose sum is σ = 25186721280. Its totient is φ = 15634892160.

The previous prime is 20112122297. The next prime is 20112122339. The reversal of 20112122303 is 30322121102.

It is a cyclic number.

It is not a de Polignac number, because 20112122303 - 2¹² = 20112118207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112122203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7920008 + ... + 7922546.

It is an arithmetic number, because the mean of its divisors is an integer number (787085040).

Almost surely, 2^20112122303 is an apocalyptic number.

20112122303 is a deficient number, since it is larger than the sum of its proper divisors (5074598977).

20112122303 is a wasteful number, since it uses less digits than its factorization.

20112122303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20112122303 its reverse (30322121102), we get a palindrome (50434243405).

The spelling of 20112122303 in words is "twenty billion, one hundred twelve million, one hundred twenty-two thousand, three hundred three".