222020220220 has 48 divisors (see below), whose sum is σ = 474222873600. Its totient is φ = 87288505920.

The previous prime is 222020220217. The next prime is 222020220221. The reversal of 222020220220 is 22022020222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222020220194 and 222020220203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222020220221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9795661 + ... + 9818299.

It is an arithmetic number, because the mean of its divisors is an integer number (9879643200).

Almost surely, 2^222020220220 is an apocalyptic number.

222020220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222020220220 is an abundant number, since it is smaller than the sum of its proper divisors (252202653380).

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

222020220220 is a wasteful number, since it uses less digits than its factorization.

222020220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31018 (or 31016 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 222020220220 its reverse (22022020222), we get a palindrome (244042240442).

It can be divided in two parts, 2220202 and 20220, that added together give a palindrome (2240422).

The spelling of 222020220220 in words is "two hundred twenty-two billion, twenty million, two hundred twenty thousand, two hundred twenty".