221010020020200 has 96 divisors (see below), whose sum is σ = 686022001156800. Its totient is φ = 58859365416960.

The previous prime is 221010020020199. The next prime is 221010020020217. The reversal of 221010020020200 is 2020020010122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239037972 + ... + 239960771.

It is an arithmetic number, because the mean of its divisors is an integer number (7146062512050).

Almost surely, 2^{221010020020200} is an apocalyptic number.

221010020020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221010020020200 is an abundant number, since it is smaller than the sum of its proper divisors (465011981136600).

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

221010020020200 is a wasteful number, since it uses less digits than its factorization.

221010020020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478999531 (or 478999522 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 221010020020200 its reverse (2020020010122), we get a palindrome (223030040030322).

The spelling of 221010020020200 in words is "two hundred twenty-one trillion, ten billion, twenty million, twenty thousand, two hundred".