20032023111 has 4 divisors (see below), whose sum is σ = 26709364152. Its totient is φ = 13354682072.

The previous prime is 20032023101. The next prime is 20032023119. The reversal of 20032023111 is 11132023002.

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

It is a cyclic number.

It is not a de Polignac number, because 20032023111 - 2²⁶ = 19964914247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032023119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3338670516 + ... + 3338670521.

It is an arithmetic number, because the mean of its divisors is an integer number (6677341038).

Almost surely, 2^20032023111 is an apocalyptic number.

20032023111 is a deficient number, since it is larger than the sum of its proper divisors (6677341041).

20032023111 is an equidigital number, since it uses as much as digits as its factorization.

20032023111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6677341040.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20032023111 its reverse (11132023002), we get a palindrome (31164046113).

The spelling of 20032023111 in words is "twenty billion, thirty-two million, twenty-three thousand, one hundred eleven".