420220100 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
Almost surely, 2420220100 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 420220100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472248420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420220100 is a wasteful number, since it uses less digits than its factorization.
420220100 is an evil number, because the sum of its binary digits is even.
The square root of 420220100 is about 20499.2707187353. The cubic root of 420220100 is about 749.0180334018.
Adding to 420220100 its reverse (1022024), we get a palindrome (421242124).
The spelling of 420220100 in words is "four hundred twenty million, two hundred twenty thousand, one hundred".