222110002020020 has 24 divisors (see below), whose sum is σ = 466460902404168. Its totient is φ = 88838305920000.

The previous prime is 222110002019977. The next prime is 222110002020073. The reversal of 222110002020020 is 20020200011222.

It can be written as a sum of positive squares in 4 ways, for example, as 96205534467364 + 125904467552656 = 9808442^2 + 11220716^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222110002019977 and 222110002020004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355610681 + ... + 356234720.

It is an arithmetic number, because the mean of its divisors is an integer number (19435870933507).

Almost surely, 2^{222110002020020} is an apocalyptic number.

222110002020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222110002020020 is an abundant number, since it is smaller than the sum of its proper divisors (244350900384148).

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

222110002020020 is a wasteful number, since it uses less digits than its factorization.

222110002020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711861011 (or 711861009 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222110002020020 its reverse (20020200011222), we get a palindrome (242130202031242).

The spelling of 222110002020020 in words is "two hundred twenty-two trillion, one hundred ten billion, two million, twenty thousand, twenty".