200001020022 has 16 divisors (see below), whose sum is σ = 444446711280. Its totient is φ = 66667006656.

The previous prime is 200001019993. The next prime is 200001020039. The reversal of 200001020022 is 220020100002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200001019986 and 200001020013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851861243 + ... + 1851861350.

It is an arithmetic number, because the mean of its divisors is an integer number (27777919455).

Almost surely, 2^200001020022 is an apocalyptic number.

200001020022 is an abundant number, since it is smaller than the sum of its proper divisors (244445691258).

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

200001020022 is a wasteful number, since it uses less digits than its factorization.

200001020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703722604 (or 3703722598 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 200001020022 its reverse (220020100002), we get a palindrome (420021120024).

The spelling of 200001020022 in words is "two hundred billion, one million, twenty thousand, twenty-two".