20411443231233 has 16 divisors (see below), whose sum is σ = 28838002216320. Its totient is φ = 12797470259456.

The previous prime is 20411443231229. The next prime is 20411443231343. The reversal of 20411443231233 is 33213234411402.

It is a cyclic number.

It is not a de Polignac number, because 20411443231233 - 2² = 20411443231229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20411443231194 and 20411443231203.

It is not an unprimeable number, because it can be changed into a prime (20411443231633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151647810 + ... + 151782347.

It is an arithmetic number, because the mean of its divisors is an integer number (1802375138520).

Almost surely, 2^{20411443231233} is an apocalyptic number.

It is an amenable number.

20411443231233 is a deficient number, since it is larger than the sum of its proper divisors (8426558985087).

20411443231233 is a wasteful number, since it uses less digits than its factorization.

20411443231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303431496.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 20411443231233 its reverse (33213234411402), we get a palindrome (53624677642635).

The spelling of 20411443231233 in words is "twenty trillion, four hundred eleven billion, four hundred forty-three million, two hundred thirty-one thousand, two hundred thirty-three".