22212222202020 has 24 divisors (see below), whose sum is σ = 62194222165824. Its totient is φ = 5923259253856.

The previous prime is 22212222201991. The next prime is 22212222202073. The reversal of 22212222202020 is 2020222221222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185101851624 + ... + 185101851743.

It is an arithmetic number, because the mean of its divisors is an integer number (2591425923576).

Almost surely, 2^{22212222202020} is an apocalyptic number.

22212222202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212222202020 is an abundant number, since it is smaller than the sum of its proper divisors (39981999963804).

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

22212222202020 is a wasteful number, since it uses less digits than its factorization.

22212222202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370203703379 (or 370203703377 counting only the distinct ones).

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

Adding to 22212222202020 its reverse (2020222221222), we get a palindrome (24232444423242).

The spelling of 22212222202020 in words is "twenty-two trillion, two hundred twelve billion, two hundred twenty-two million, two hundred two thousand, twenty".