22203840220 has 24 divisors (see below), whose sum is σ = 46775169504. Its totient is φ = 8853516096.

The previous prime is 22203840203. The next prime is 22203840259. The reversal of 22203840220 is 2204830222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1744752 + ... + 1757431.

It is an arithmetic number, because the mean of its divisors is an integer number (1948965396).

Almost surely, 2^22203840220 is an apocalyptic number.

22203840220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22203840220 is an abundant number, since it is smaller than the sum of its proper divisors (24571329284).

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

22203840220 is a wasteful number, since it uses less digits than its factorization.

22203840220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502509 (or 3502507 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The spelling of 22203840220 in words is "twenty-two billion, two hundred three million, eight hundred forty thousand, two hundred twenty".