20023033311 has 24 divisors (see below), whose sum is σ = 29139430320. Its totient is φ = 13248740736.

The previous prime is 20023033223. The next prime is 20023033319. The reversal of 20023033311 is 11333032002.

It is not a de Polignac number, because 20023033311 - 2¹¹ = 20023031263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023033319) 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 23 ways as a sum of consecutive naturals, for example, 729411 + ... + 756363.

It is an arithmetic number, because the mean of its divisors is an integer number (1214142930).

Almost surely, 2^20023033311 is an apocalyptic number.

20023033311 is a deficient number, since it is larger than the sum of its proper divisors (9116397009).

20023033311 is a wasteful number, since it uses less digits than its factorization.

20023033311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27575 (or 27572 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20023033311 its reverse (11333032002), we get a palindrome (31356065313).

The spelling of 20023033311 in words is "twenty billion, twenty-three million, thirty-three thousand, three hundred eleven".