22212110020 has 24 divisors (see below), whose sum is σ = 47302411968. Its totient is φ = 8759704800.

The previous prime is 22212110017. The next prime is 22212110033. The reversal of 22212110020 is 2001121222.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7819746 + ... + 7822585.

It is an arithmetic number, because the mean of its divisors is an integer number (1970933832).

Almost surely, 2^22212110020 is an apocalyptic number.

22212110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212110020 is an abundant number, since it is smaller than the sum of its proper divisors (25090301948).

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

22212110020 is a wasteful number, since it uses less digits than its factorization.

22212110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15642411 (or 15642409 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22212110020 its reverse (2001121222), we get a palindrome (24213231242).

The spelling of 22212110020 in words is "twenty-two billion, two hundred twelve million, one hundred ten thousand, twenty".