222200220020 has 24 divisors (see below), whose sum is σ = 466647277824. Its totient is φ = 88874980256.

The previous prime is 222200220019. The next prime is 222200220049. The reversal of 222200220020 is 20022002222.

It is a happy number.

222200220020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222200219977 and 222200220004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47777 + ... + 668343.

It is an arithmetic number, because the mean of its divisors is an integer number (19443636576).

Almost surely, 2^222200220020 is an apocalyptic number.

222200220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222200220020 is an abundant number, since it is smaller than the sum of its proper divisors (244447057804).

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

222200220020 is a wasteful number, since it uses less digits than its factorization.

222200220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638479 (or 638477 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 222200220020 its reverse (20022002222), we get a palindrome (242222222242).

The spelling of 222200220020 in words is "two hundred twenty-two billion, two hundred million, two hundred twenty thousand, twenty".