200011122220 has 96 divisors (see below), whose sum is σ = 522760694400. Its totient is φ = 62588934144.

The previous prime is 200011122191. The next prime is 200011122253. The reversal of 200011122220 is 22221110002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 200011122220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 455415 + ... + 779374.

It is an arithmetic number, because the mean of its divisors is an integer number (5445423900).

Almost surely, 2^200011122220 is an apocalyptic number.

200011122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200011122220 is an abundant number, since it is smaller than the sum of its proper divisors (322749572180).

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

200011122220 is a wasteful number, since it uses less digits than its factorization.

200011122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234907 (or 1234905 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200011122220 its reverse (22221110002), we get a palindrome (222232232222).

The spelling of 200011122220 in words is "two hundred billion, eleven million, one hundred twenty-two thousand, two hundred twenty".