20403233230112 has 24 divisors (see below), whose sum is σ = 40221100665900. Its totient is φ = 10188350521344.

The previous prime is 20403233230111. The next prime is 20403233230123. The reversal of 20403233230112 is 21103233230402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20293907775376 + 109325454736 = 4504876^2 + 330644^2 .

It is not an unprimeable number, because it can be changed into a prime (20403233230111) 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, 414540437 + ... + 414589652.

Almost surely, 2^{20403233230112} is an apocalyptic number.

It is an amenable number.

20403233230112 is a deficient number, since it is larger than the sum of its proper divisors (19817867435788).

20403233230112 is an equidigital number, since it uses as much as digits as its factorization.

20403233230112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829130868 (or 829130860 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20403233230112 its reverse (21103233230402), we get a palindrome (41506466460514).

The spelling of 20403233230112 in words is "twenty trillion, four hundred three billion, two hundred thirty-three million, two hundred thirty thousand, one hundred twelve".