200021012222202 has 24 divisors (see below), whose sum is σ = 433380016585620. Its totient is φ = 66673492776000.

The previous prime is 200021012222173. The next prime is 200021012222209. The reversal of 200021012222202 is 202222210120002.

200021012222202 is a `hidden beast` number, since 20 + 0 + 0 + 210 + 12 + 222 + 202 = 666.

200021012222202 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 181468945623681 + 18552066598521 = 13471041^2 + 4307211^2 .

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

It is not an unprimeable number, because it can be changed into a prime (200021012222209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7809627 + ... + 21471662.

Almost surely, 2^{200021012222202} is an apocalyptic number.

200021012222202 is an abundant number, since it is smaller than the sum of its proper divisors (233359004363418).

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

200021012222202 is a wasteful number, since it uses less digits than its factorization.

200021012222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29660798 (or 29660795 counting only the distinct ones).

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

Adding to 200021012222202 its reverse (202222210120002), we get a palindrome (402243222342204).

The spelling of 200021012222202 in words is "two hundred trillion, twenty-one billion, twelve million, two hundred twenty-two thousand, two hundred two".