22022222020 has 24 divisors (see below), whose sum is σ = 46252080000. Its totient is φ = 8807857632.

The previous prime is 22022222017. The next prime is 22022222063. The reversal of 22022222020 is 2022222022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22022221985 and 22022222003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124131 + ... + 243829.

It is an arithmetic number, because the mean of its divisors is an integer number (1927170000).

Almost surely, 2^22022222020 is an apocalyptic number.

22022222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022222020 is an abundant number, since it is smaller than the sum of its proper divisors (24229857980).

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

22022222020 is a wasteful number, since it uses less digits than its factorization.

22022222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128907 (or 128905 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22022222020 its reverse (2022222022), we get a palindrome (24044444042).

It can be divided in two parts, 220222 and 22020, that added together give a palindrome (242242).

The spelling of 22022222020 in words is "twenty-two billion, twenty-two million, two hundred twenty-two thousand, twenty".