222101330020020 has 144 divisors (see below), whose sum is σ = 734959883968128. Its totient is φ = 53842278401280.

The previous prime is 222101330019967. The next prime is 222101330020039. The reversal of 222101330020020 is 20020033101222.

222101330020020 is a `hidden beast` number, since 222 + 101 + 3 + 300 + 20 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222101330019975 and 222101330020002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 263229657 + ... + 264072063.

It is an arithmetic number, because the mean of its divisors is an integer number (5103888083112).

Almost surely, 2^{222101330020020} is an apocalyptic number.

222101330020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222101330020020 is an abundant number, since it is smaller than the sum of its proper divisors (512858553948108).

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

222101330020020 is a wasteful number, since it uses less digits than its factorization.

222101330020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975590 (or 975585 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 222101330020020 its reverse (20020033101222), we get a palindrome (242121363121242).

The spelling of 222101330020020 in words is "two hundred twenty-two trillion, one hundred one billion, three hundred thirty million, twenty thousand, twenty".