222201102020 has 24 divisors (see below), whose sum is σ = 494070686424. Its totient is φ = 83652179456.

The previous prime is 222201102001. The next prime is 222201102029. The reversal of 222201102020 is 20201102222.

222201102020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 41024882116 + 181176219904 = 202546^2 + 425648^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222201101986 and 222201102004.

It is not an unprimeable number, because it can be changed into a prime (222201102029) 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 7 ways as a sum of consecutive naturals, for example, 326765987 + ... + 326766666.

It is an arithmetic number, because the mean of its divisors is an integer number (20586278601).

Almost surely, 2^222201102020 is an apocalyptic number.

222201102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222201102020 is an abundant number, since it is smaller than the sum of its proper divisors (271869584404).

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

222201102020 is a wasteful number, since it uses less digits than its factorization.

222201102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653532679 (or 653532677 counting only the distinct ones).

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

Adding to 222201102020 its reverse (20201102222), we get a palindrome (242402204242).

The spelling of 222201102020 in words is "two hundred twenty-two billion, two hundred one million, one hundred two thousand, twenty".