200221102220 has 24 divisors (see below), whose sum is σ = 426739904304. Its totient is φ = 78893090496.

The previous prime is 200221102189. The next prime is 200221102241. The reversal of 200221102220 is 22201122002.

It is a junction number, because it is equal to n+sod(n) for n = 200221102195 and 200221102204.

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, 74708027 + ... + 74710706.

It is an arithmetic number, because the mean of its divisors is an integer number (17780829346).

Almost surely, 2^200221102220 is an apocalyptic number.

200221102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200221102220 is an abundant number, since it is smaller than the sum of its proper divisors (226518802084).

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

200221102220 is a wasteful number, since it uses less digits than its factorization.

200221102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149418809 (or 149418807 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 200221102220 its reverse (22201122002), we get a palindrome (222422224222).

The spelling of 200221102220 in words is "two hundred billion, two hundred twenty-one million, one hundred two thousand, two hundred twenty".