20120020111233 has 96 divisors (see below), whose sum is σ = 35030333295360. Its totient is φ = 10870799892480.

The previous prime is 20120020111193. The next prime is 20120020111241. The reversal of 20120020111233 is 33211102002102.

20120020111233 is a `hidden beast` number, since 20 + 1 + 200 + 201 + 11 + 233 = 666.

It is not a de Polignac number, because 20120020111233 - 2¹⁴ = 20120020094849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20120020111133) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3815665885 + ... + 3815671157.

It is an arithmetic number, because the mean of its divisors is an integer number (364899305160).

Almost surely, 2^{20120020111233} is an apocalyptic number.

It is an amenable number.

20120020111233 is a deficient number, since it is larger than the sum of its proper divisors (14910313184127).

20120020111233 is a wasteful number, since it uses less digits than its factorization.

20120020111233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10919 (or 10916 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20120020111233 its reverse (33211102002102), we get a palindrome (53331122113335).

The spelling of 20120020111233 in words is "twenty trillion, one hundred twenty billion, twenty million, one hundred eleven thousand, two hundred thirty-three".