22220020222220 has 24 divisors (see below), whose sum is σ = 47124042891408. Its totient is φ = 8800008008000.

The previous prime is 22220020222199. The next prime is 22220020222289. The reversal of 22220020222220 is 2222202002222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22220020222192 and 22220020222201.

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, 5500002986 + ... + 5500007025.

It is an arithmetic number, because the mean of its divisors is an integer number (1963501787142).

Almost surely, 2^{22220020222220} is an apocalyptic number.

22220020222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220020222220 is an abundant number, since it is smaller than the sum of its proper divisors (24904022669188).

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

22220020222220 is a wasteful number, since it uses less digits than its factorization.

22220020222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000010121 (or 11000010119 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22220020222220 its reverse (2222202002222), we get a palindrome (24442222224442).

The spelling of 22220020222220 in words is "twenty-two trillion, two hundred twenty billion, twenty million, two hundred twenty-two thousand, two hundred twenty".