22221200010020 has 24 divisors (see below), whose sum is σ = 50906749114368. Its totient is φ = 8080436367200.

The previous prime is 22221200009909. The next prime is 22221200010089. The reversal of 22221200010020 is 2001000212222.

It is a junction number, because it is equal to n+sod(n) for n = 22221200009977 and 22221200010004.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 50502727076 + ... + 50502727515.

It is an arithmetic number, because the mean of its divisors is an integer number (2121114546432).

Almost surely, 2^{22221200010020} is an apocalyptic number.

22221200010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22221200010020 is an abundant number, since it is smaller than the sum of its proper divisors (28685549104348).

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

22221200010020 is a wasteful number, since it uses less digits than its factorization.

22221200010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101005454611 (or 101005454609 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22221200010020 its reverse (2001000212222), we get a palindrome (24222200222242).

The spelling of 22221200010020 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred million, ten thousand, twenty".