20002330111 has 4 divisors (see below), whose sum is σ = 20330237224. Its totient is φ = 19674423000.

The previous prime is 20002330099. The next prime is 20002330141. The reversal of 20002330111 is 11103320002.

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 20002330111 - 2¹⁹ = 20001805823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20002330091 and 20002330100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002330141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163953465 + ... + 163953586.

It is an arithmetic number, because the mean of its divisors is an integer number (5082559306).

Almost surely, 2^20002330111 is an apocalyptic number.

20002330111 is a deficient number, since it is larger than the sum of its proper divisors (327907113).

20002330111 is an equidigital number, since it uses as much as digits as its factorization.

20002330111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327907112.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20002330111 its reverse (11103320002), we get a palindrome (31105650113).

The spelling of 20002330111 in words is "twenty billion, two million, three hundred thirty thousand, one hundred eleven".