22122212222020 has 48 divisors (see below), whose sum is σ = 46518401353536. Its totient is φ = 8837129520000.

The previous prime is 22122212222017. The next prime is 22122212222087. The reversal of 22122212222020 is 2022221222122.

It is a junction number, because it is equal to n+sod(n) for n = 22122212221982 and 22122212222000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46523470 + ... + 46996570.

It is an arithmetic number, because the mean of its divisors is an integer number (969133361532).

Almost surely, 2^{22122212222020} is an apocalyptic number.

22122212222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122212222020 is an abundant number, since it is smaller than the sum of its proper divisors (24396189131516).

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

22122212222020 is a wasteful number, since it uses less digits than its factorization.

22122212222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476212 (or 476210 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22122212222020 its reverse (2022221222122), we get a palindrome (24144433444142).

The spelling of 22122212222020 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twelve million, two hundred twenty-two thousand, twenty".