202224442220 has 12 divisors (see below), whose sum is σ = 424671328704. Its totient is φ = 80889776880.

The previous prime is 202224442207. The next prime is 202224442223. The reversal of 202224442220 is 22244422202.

It is a self number, because there is not a number n which added to its sum of digits gives 202224442220.

It is not an unprimeable number, because it can be changed into a prime (202224442223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055611036 + ... + 5055611075.

It is an arithmetic number, because the mean of its divisors is an integer number (35389277392).

Almost surely, 2^202224442220 is an apocalyptic number.

202224442220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202224442220 is an abundant number, since it is smaller than the sum of its proper divisors (222446886484).

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

202224442220 is a wasteful number, since it uses less digits than its factorization.

202224442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10111222120 (or 10111222118 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 202224442220 its reverse (22244422202), we get a palindrome (224468864422).

The spelling of 202224442220 in words is "two hundred two billion, two hundred twenty-four million, four hundred forty-two thousand, two hundred twenty".