It is a congruent number.
Almost surely, 220432243312 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20432243312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21727272312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20432243312 is a wasteful number, since it uses less digits than its factorization.
20432243312 is an evil number, because the sum of its binary digits is even.
Adding to 20432243312 its reverse (21334223402), we get a palindrome (41766466714).
The spelling of 20432243312 in words is "twenty billion, four hundred thirty-two million, two hundred forty-three thousand, three hundred twelve".