200221122204 has 72 divisors (see below), whose sum is σ = 511154808528. Its totient is φ = 66078754560.

The previous prime is 200221122151. The next prime is 200221122217. The reversal of 200221122204 is 402221122002.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1525179 + ... + 1651245.

Almost surely, 2^200221122204 is an apocalyptic number.

It is an amenable number.

200221122204 is an abundant number, since it is smaller than the sum of its proper divisors (310933686324).

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

200221122204 is a wasteful number, since it uses less digits than its factorization.

200221122204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126515 (or 126510 counting only the distinct ones).

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

Adding to 200221122204 its reverse (402221122002), we get a palindrome (602442244206).

The spelling of 200221122204 in words is "two hundred billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred four".