20032444131232 has 48 divisors (see below), whose sum is σ = 42782653298952. Its totient is φ = 9178256240640.

The previous prime is 20032444131221. The next prime is 20032444131233. The reversal of 20032444131232 is 23213144423002.

It can be written as a sum of positive squares in 4 ways, for example, as 11735256056976 + 8297188074256 = 3425676^2 + 2880484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20032444131194 and 20032444131203.

It is not an unprimeable number, because it can be changed into a prime (20032444131233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175690869 + ... + 175804852.

Almost surely, 2^{20032444131232} is an apocalyptic number.

It is an amenable number.

20032444131232 is an abundant number, since it is smaller than the sum of its proper divisors (22750209167720).

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

20032444131232 is a wasteful number, since it uses less digits than its factorization.

20032444131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351495881 (or 351495873 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 20032444131232 its reverse (23213144423002), we get a palindrome (43245588554234).

The spelling of 20032444131232 in words is "twenty trillion, thirty-two billion, four hundred forty-four million, one hundred thirty-one thousand, two hundred thirty-two".