200000221000 has 32 divisors (see below), whose sum is σ = 468000519480. Its totient is φ = 80000088000.

The previous prime is 200000220913. The next prime is 200000221013. The reversal of 200000221000 is 122000002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13018353604 + 186981867396 = 114098^2 + 432414^2 .

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, 99999111 + ... + 100001110.

Almost surely, 2^200000221000 is an apocalyptic number.

200000221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200000221000 is an abundant number, since it is smaller than the sum of its proper divisors (268000298480).

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

200000221000 is a wasteful number, since it uses less digits than its factorization.

200000221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200000242 (or 200000228 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 200000221000 its reverse (122000002), we get a palindrome (200122221002).

The spelling of 200000221000 in words is "two hundred billion, two hundred twenty-one thousand".