221202002022220 has 48 divisors (see below), whose sum is σ = 467927496691200. Its totient is φ = 87833280168704.

The previous prime is 221202002022167. The next prime is 221202002022241. The reversal of 221202002022220 is 22220200202122.

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, 17793964 + ... + 27550483.

It is an arithmetic number, because the mean of its divisors is an integer number (9748489514400).

Almost surely, 2^{221202002022220} is an apocalyptic number.

221202002022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221202002022220 is an abundant number, since it is smaller than the sum of its proper divisors (246725494668980).

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

221202002022220 is a wasteful number, since it uses less digits than its factorization.

221202002022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45346242 (or 45346240 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 221202002022220 its reverse (22220200202122), we get a palindrome (243422202224342).

The spelling of 221202002022220 in words is "two hundred twenty-one trillion, two hundred two billion, two million, twenty-two thousand, two hundred twenty".