20033230220111 has 4 divisors (see below), whose sum is σ = 20033413594272. Its totient is φ = 20033046845952.

The previous prime is 20033230220051. The next prime is 20033230220167. The reversal of 20033230220111 is 11102203233002.

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 20033230220111 - 2¹⁸ = 20033229957967 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 (20033230220611) 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, 91523111 + ... + 91741736.

It is an arithmetic number, because the mean of its divisors is an integer number (5008353398568).

Almost surely, 2^{20033230220111} is an apocalyptic number.

20033230220111 is a deficient number, since it is larger than the sum of its proper divisors (183374161).

20033230220111 is a wasteful number, since it uses less digits than its factorization.

20033230220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183374160.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20033230220111 its reverse (11102203233002), we get a palindrome (31135433453113).

The spelling of 20033230220111 in words is "twenty trillion, thirty-three billion, two hundred thirty million, two hundred twenty thousand, one hundred eleven".