Adding to 34021020220 its reverse (2202012043), we get a palindrome (36223032263).
It is a congruent number.
It is an unprimeable number.
Almost surely, 234021020220 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 34021020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39486279168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
34021020220 is a wasteful number, since it uses less digits than its factorization.
34021020220 is an evil number, because the sum of its binary digits is even.
The spelling of 34021020220 in words is "thirty-four billion, twenty-one million, twenty thousand, two hundred twenty".