222220221022020 has 96 divisors (see below), whose sum is σ = 679258606223232. Its totient is φ = 53951042055168.

The previous prime is 222220221021991. The next prime is 222220221022073. The reversal of 222220221022020 is 20220122022222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1951297302 + ... + 1951411181.

It is an arithmetic number, because the mean of its divisors is an integer number (7075610481492).

Almost surely, 2^{222220221022020} is an apocalyptic number.

222220221022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222220221022020 is an abundant number, since it is smaller than the sum of its proper divisors (457038385201212).

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

222220221022020 is a wasteful number, since it uses less digits than its factorization.

222220221022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902708581 (or 3902708579 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 222220221022020 its reverse (20220122022222), we get a palindrome (242440343044242).

The spelling of 222220221022020 in words is "two hundred twenty-two trillion, two hundred twenty billion, two hundred twenty-one million, twenty-two thousand, twenty".