20332233111 has 4 divisors (see below), whose sum is σ = 27109644152. Its totient is φ = 13554822072.

The previous prime is 20332233101. The next prime is 20332233137. The reversal of 20332233111 is 11133223302.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20332233111 - 2⁵ = 20332233079 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 (20332233101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3388705516 + ... + 3388705521.

It is an arithmetic number, because the mean of its divisors is an integer number (6777411038).

Almost surely, 2^20332233111 is an apocalyptic number.

20332233111 is a deficient number, since it is larger than the sum of its proper divisors (6777411041).

20332233111 is an equidigital number, since it uses as much as digits as its factorization.

20332233111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6777411040.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20332233111 its reverse (11133223302), we get a palindrome (31465456413).

The spelling of 20332233111 in words is "twenty billion, three hundred thirty-two million, two hundred thirty-three thousand, one hundred eleven".