22222010210020 has 12 divisors (see below), whose sum is σ = 46666221441084. Its totient is φ = 8888804084000.

The previous prime is 22222010209979. The next prime is 22222010210021. The reversal of 22222010210020 is 2001201022222.

It can be written as a sum of positive squares in 2 ways, for example, as 10363519054564 + 11858491155456 = 3219242^2 + 3443616^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22222010209976 and 22222010210003.

It is not an unprimeable number, because it can be changed into a prime (22222010210021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555550255231 + ... + 555550255270.

It is an arithmetic number, because the mean of its divisors is an integer number (3888851786757).

Almost surely, 2^{22222010210020} is an apocalyptic number.

22222010210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222010210020 is an abundant number, since it is smaller than the sum of its proper divisors (24444211231064).

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

22222010210020 is a wasteful number, since it uses less digits than its factorization.

22222010210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111100510510 (or 1111100510508 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22222010210020 its reverse (2001201022222), we get a palindrome (24223211232242).

The spelling of 22222010210020 in words is "twenty-two trillion, two hundred twenty-two billion, ten million, two hundred ten thousand, twenty".