Adding to 20132233212 its reverse (21233223102), we get a palindrome (41365456314).
It is a happy number.
It is a congruent number.
Almost surely, 220132233212 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 20132233212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29205994496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20132233212 is a wasteful number, since it uses less digits than its factorization.
20132233212 is an evil number, because the sum of its binary digits is even.
The spelling of 20132233212 in words is "twenty billion, one hundred thirty-two million, two hundred thirty-three thousand, two hundred twelve".