20233312211 has 24 divisors (see below), whose sum is σ = 24797612880. Its totient is φ = 16415384832.

The previous prime is 20233312147. The next prime is 20233312273. The reversal of 20233312211 is 11221333202.

It is not a de Polignac number, because 20233312211 - 2⁶ = 20233312147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20233312811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1101575 + ... + 1119791.

It is an arithmetic number, because the mean of its divisors is an integer number (1033233870).

Almost surely, 2^20233312211 is an apocalyptic number.

20233312211 is a deficient number, since it is larger than the sum of its proper divisors (4564300669).

20233312211 is a wasteful number, since it uses less digits than its factorization.

20233312211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19443 (or 19436 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20233312211 its reverse (11221333202), we get a palindrome (31454645413).

The spelling of 20233312211 in words is "twenty billion, two hundred thirty-three million, three hundred twelve thousand, two hundred eleven".