202221112022220 has 192 divisors, whose sum is σ = 583545072854016. Its totient is φ = 52285766353920.

The previous prime is 202221112022203. The next prime is 202221112022221. The reversal of 202221112022220 is 22220211122202.

It is not an unprimeable number, because it can be changed into a prime (202221112022221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2780284974 + ... + 2780357706.

It is an arithmetic number, because the mean of its divisors is an integer number (3039297254448).

Almost surely, 2^{202221112022220} is an apocalyptic number.

202221112022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202221112022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291772536427008).

202221112022220 is an abundant number, since it is smaller than the sum of its proper divisors (381323960831796).

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

202221112022220 is a wasteful number, since it uses less digits than its factorization.

202221112022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77120 (or 77118 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 202221112022220 its reverse (22220211122202), we get a palindrome (224441323144422).

The spelling of 202221112022220 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred twelve million, twenty-two thousand, two hundred twenty".