22102020003220 has 48 divisors (see below), whose sum is σ = 46874771120016. Its totient is φ = 8753091840000.

The previous prime is 22102020003209. The next prime is 22102020003233. The reversal of 22102020003220 is 2230002020122.

It can be written as a sum of positive squares in 8 ways, for example, as 6589355516676 + 15512664486544 = 2566974^2 + 3938612^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22102020003194 and 22102020003203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136756060 + ... + 136917580.

It is an arithmetic number, because the mean of its divisors is an integer number (976557731667).

Almost surely, 2^{22102020003220} is an apocalyptic number.

22102020003220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102020003220 is an abundant number, since it is smaller than the sum of its proper divisors (24772751116796).

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

22102020003220 is a wasteful number, since it uses less digits than its factorization.

22102020003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229372 (or 229370 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22102020003220 its reverse (2230002020122), we get a palindrome (24332022023342).

The spelling of 22102020003220 in words is "twenty-two trillion, one hundred two billion, twenty million, three thousand, two hundred twenty".