20102001012233 has 24 divisors (see below), whose sum is σ = 23454198335232. Its totient is φ = 17178587443584.

The previous prime is 20102001012229. The next prime is 20102001012319. The reversal of 20102001012233 is 33221010020102.

It is not a de Polignac number, because 20102001012233 - 2² = 20102001012229 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20102001092233) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 30373616 + ... + 31028382.

It is an arithmetic number, because the mean of its divisors is an integer number (977258263968).

Almost surely, 2^{20102001012233} is an apocalyptic number.

It is an amenable number.

20102001012233 is a deficient number, since it is larger than the sum of its proper divisors (3352197322999).

20102001012233 is a wasteful number, since it uses less digits than its factorization.

20102001012233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656661 (or 656654 counting only the distinct ones).

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

Adding to 20102001012233 its reverse (33221010020102), we get a palindrome (53323011032335).

The spelling of 20102001012233 in words is "twenty trillion, one hundred two billion, one million, twelve thousand, two hundred thirty-three".