200221210220 has 48 divisors (see below), whose sum is σ = 436104139968. Its totient is φ = 77152377600.

The previous prime is 200221210153. The next prime is 200221210247. The reversal of 200221210220 is 22012122002.

It is a super-2 number, since 2×200221210220² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200221210195 and 200221210204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1264712 + ... + 1414191.

It is an arithmetic number, because the mean of its divisors is an integer number (9085502916).

Almost surely, 2^200221210220 is an apocalyptic number.

200221210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200221210220 is an abundant number, since it is smaller than the sum of its proper divisors (235882929748).

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

200221210220 is a wasteful number, since it uses less digits than its factorization.

200221210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679050 (or 2679048 counting only the distinct ones).

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

Adding to 200221210220 its reverse (22012122002), we get a palindrome (222233332222).

The spelling of 200221210220 in words is "two hundred billion, two hundred twenty-one million, two hundred ten thousand, two hundred twenty".