200020021221222 has 48 divisors (see below), whose sum is σ = 440320918572288. Its totient is φ = 65608592096880.

The previous prime is 200020021221187. The next prime is 200020021221247. The reversal of 200020021221222 is 222122120020002.

200020021221222 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 200 + 21 + 221 + 222 = 666.

200020021221222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 200020021221195 and 200020021221204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148958938 + ... + 150295725.

It is an arithmetic number, because the mean of its divisors is an integer number (9173352470256).

Almost surely, 2^{200020021221222} is an apocalyptic number.

200020021221222 is an abundant number, since it is smaller than the sum of its proper divisors (240300897351066).

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

200020021221222 is a wasteful number, since it uses less digits than its factorization.

200020021221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299255265 (or 299255262 counting only the distinct ones).

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

Adding to 200020021221222 its reverse (222122120020002), we get a palindrome (422142141241224).

The spelling of 200020021221222 in words is "two hundred trillion, twenty billion, twenty-one million, two hundred twenty-one thousand, two hundred twenty-two".