222222020020 has 576 divisors, whose sum is σ = 650397017088. Its totient is φ = 62042112000.

The previous prime is 222222019963. The next prime is 222222020023. The reversal of 222222020020 is 20020222222.

It is a happy number.

222222020020 is digitally balanced in base 3, 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 = 222222019976 and 222222020003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222020023) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2157495289 + ... + 2157495391.

It is an arithmetic number, because the mean of its divisors is an integer number (1129161488).

Almost surely, 2^222222020020 is an apocalyptic number.

222222020020 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 222222020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325198508544).

222222020020 is an abundant number, since it is smaller than the sum of its proper divisors (428174997068).

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

222222020020 is a wasteful number, since it uses less digits than its factorization.

222222020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 339 counting only the distinct ones).

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

Adding to 222222020020 its reverse (20020222222), we get a palindrome (242242242242).

The spelling of 222222020020 in words is "two hundred twenty-two billion, two hundred twenty-two million, twenty thousand, twenty".