222000020220 has 48 divisors (see below), whose sum is σ = 678109154688. Its totient is φ = 53818186560.

The previous prime is 222000020141. The next prime is 222000020227. The reversal of 222000020220 is 22020000222.

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

It is a junction number, because it is equal to n+sod(n) for n = 222000020196 and 222000020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000020227) 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, 168181174 + ... + 168182493.

It is an arithmetic number, because the mean of its divisors is an integer number (14127274056).

Almost surely, 2^222000020220 is an apocalyptic number.

222000020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222000020220 is an abundant number, since it is smaller than the sum of its proper divisors (456109134468).

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

222000020220 is a wasteful number, since it uses less digits than its factorization.

222000020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336363690 (or 336363688 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 222000020220 its reverse (22020000222), we get a palindrome (244020020442).

It can be divided in two parts, 2220000202 and 20, that added together give a palindrome (2220000222).

The spelling of 222000020220 in words is "two hundred twenty-two billion, twenty thousand, two hundred twenty".