2221840200020 has 24 divisors (see below), whose sum is σ = 5332416480384. Its totient is φ = 761773782816.

The previous prime is 2221840199989. The next prime is 2221840200029. The reversal of 2221840200020 is 200020481222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221840200029) 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 7 ways as a sum of consecutive naturals, for example, 7935143432 + ... + 7935143711.

It is an arithmetic number, because the mean of its divisors is an integer number (222184020016).

Almost surely, 2^{2221840200020} is an apocalyptic number.

2221840200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221840200020 is an abundant number, since it is smaller than the sum of its proper divisors (3110576280364).

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

2221840200020 is a wasteful number, since it uses less digits than its factorization.

2221840200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15870287159 (or 15870287157 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 2221840200020 its reverse (200020481222), we get a palindrome (2421860681242).

The spelling of 2221840200020 in words is "two trillion, two hundred twenty-one billion, eight hundred forty million, two hundred thousand, twenty".