20033222111 has 16 divisors (see below), whose sum is σ = 24136863744. Its totient is φ = 16255413504.

The previous prime is 20033222081. The next prime is 20033222117. The reversal of 20033222111 is 11122233002.

It is a cyclic number.

It is not a de Polignac number, because 20033222111 - 2¹⁴ = 20033205727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20033222111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033222117) 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 15 ways as a sum of consecutive naturals, for example, 625775 + ... + 657008.

It is an arithmetic number, because the mean of its divisors is an integer number (1508553984).

Almost surely, 2^20033222111 is an apocalyptic number.

20033222111 is a deficient number, since it is larger than the sum of its proper divisors (4103641633).

20033222111 is a wasteful number, since it uses less digits than its factorization.

20033222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282910.

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

Adding to 20033222111 its reverse (11122233002), we get a palindrome (31155455113).

The spelling of 20033222111 in words is "twenty billion, thirty-three million, two hundred twenty-two thousand, one hundred eleven".