200021222021220 has 36 divisors (see below), whose sum is σ = 606731040131580. Its totient is φ = 53338992538944.

The previous prime is 200021222021171. The next prime is 200021222021233. The reversal of 200021222021220 is 22120222120002.

200021222021220 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 212 + 220 + 212 + 20 = 666.

200021222021220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 125435475240804 + 74585746780416 = 11199798^2 + 8636304^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200021222021193 and 200021222021202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555614505435 + ... + 555614505794.

It is an arithmetic number, because the mean of its divisors is an integer number (16853640003655).

Almost surely, 2^{200021222021220} is an apocalyptic number.

200021222021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200021222021220 is an abundant number, since it is smaller than the sum of its proper divisors (406709818110360).

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

200021222021220 is a wasteful number, since it uses less digits than its factorization.

200021222021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111229011244 (or 1111229011239 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 200021222021220 its reverse (22120222120002), we get a palindrome (222141444141222).

The spelling of 200021222021220 in words is "two hundred trillion, twenty-one billion, two hundred twenty-two million, twenty-one thousand, two hundred twenty".