200001222220 has 24 divisors (see below), whose sum is σ = 420026745600. Its totient is φ = 79995883392.

The previous prime is 200001222193. The next prime is 200001222247. The reversal of 200001222220 is 22222100002.

It is an interprime number because it is at equal distance from previous prime (200001222193) and next prime (200001222247).

It is a self number, because there is not a number n which added to its sum of digits gives 200001222220.

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, 79701 + ... + 637459.

It is an arithmetic number, because the mean of its divisors is an integer number (17501114400).

Almost surely, 2^200001222220 is an apocalyptic number.

200001222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200001222220 is an abundant number, since it is smaller than the sum of its proper divisors (220025523380).

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

200001222220 is a wasteful number, since it uses less digits than its factorization.

200001222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575697 (or 575695 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 200001222220 its reverse (22222100002), we get a palindrome (222223322222).

The spelling of 200001222220 in words is "two hundred billion, one million, two hundred twenty-two thousand, two hundred twenty".