20332202111 has 4 divisors (see below), whose sum is σ = 21896217672. Its totient is φ = 18768186552.

The previous prime is 20332202083. The next prime is 20332202123. The reversal of 20332202111 is 11120223302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20332202111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20332202111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332202131) 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, 782007761 + ... + 782007786.

It is an arithmetic number, because the mean of its divisors is an integer number (5474054418).

Almost surely, 2^20332202111 is an apocalyptic number.

20332202111 is a deficient number, since it is larger than the sum of its proper divisors (1564015561).

20332202111 is a wasteful number, since it uses less digits than its factorization.

20332202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564015560.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20332202111 its reverse (11120223302), we get a palindrome (31452425413).

The spelling of 20332202111 in words is "twenty billion, three hundred thirty-two million, two hundred two thousand, one hundred eleven".