20233201311 has 12 divisors (see below), whose sum is σ = 29229611320. Its totient is φ = 13487011920.

The previous prime is 20233201291. The next prime is 20233201343. The reversal of 20233201311 is 11310233202.

20233201311 is a `hidden beast` number, since 20 + 2 + 332 + 0 + 1 + 311 = 666.

It is not a de Polignac number, because 20233201311 - 2¹⁴ = 20233184927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233201211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75541 + ... + 214878.

Almost surely, 2^20233201311 is an apocalyptic number.

20233201311 is a deficient number, since it is larger than the sum of its proper divisors (8996410009).

20233201311 is a wasteful number, since it uses less digits than its factorization.

20233201311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298166 (or 298163 counting only the distinct ones).

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

Adding to 20233201311 its reverse (11310233202), we get a palindrome (31543434513).

The spelling of 20233201311 in words is "twenty billion, two hundred thirty-three million, two hundred one thousand, three hundred eleven".