Adding to 20201102021022 its reverse (22012020110202), we get a palindrome (42213122131224).
It is a congruent number.
It is an unprimeable number.
Almost surely, 220201102021022 is an apocalyptic number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20201102021022 is a wasteful number, since it uses less digits than its factorization.
20201102021022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 320669.
The spelling of 20201102021022 in words is "twenty trillion, two hundred one billion, one hundred two million, twenty-one thousand, twenty-two".