200021020220 has 96 divisors (see below), whose sum is σ = 483267133440. Its totient is φ = 68119706880.

The previous prime is 200021020183. The next prime is 200021020237. The reversal of 200021020220 is 22020120002.

200021020220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52345910 + ... + 52349730.

It is an arithmetic number, because the mean of its divisors is an integer number (5034032640).

Almost surely, 2^200021020220 is an apocalyptic number.

200021020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200021020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241633566720).

200021020220 is an abundant number, since it is smaller than the sum of its proper divisors (283246113220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200021020220 is a wasteful number, since it uses less digits than its factorization.

200021020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6243 (or 6241 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 200021020220 its reverse (22020120002), we get a palindrome (222041140222).

The spelling of 200021020220 in words is "two hundred billion, twenty-one million, twenty thousand, two hundred twenty".