20443211133432 has 64 divisors (see below), whose sum is σ = 51592039171200. Its totient is φ = 6749884586880.

The previous prime is 20443211133407. The next prime is 20443211133469. The reversal of 20443211133432 is 23433111234402.

It is a junction number, because it is equal to n+sod(n) for n = 20443211133393 and 20443211133402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20495994 + ... + 21470262.

It is an arithmetic number, because the mean of its divisors is an integer number (806125612050).

Almost surely, 2^{20443211133432} is an apocalyptic number.

It is an amenable number.

20443211133432 is an abundant number, since it is smaller than the sum of its proper divisors (31148828037768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20443211133432 is a wasteful number, since it uses less digits than its factorization.

20443211133432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982556 (or 982552 counting only the distinct ones).

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

Adding to 20443211133432 its reverse (23433111234402), we get a palindrome (43876322367834).

The spelling of 20443211133432 in words is "twenty trillion, four hundred forty-three billion, two hundred eleven million, one hundred thirty-three thousand, four hundred thirty-two".