22220204020220 has 48 divisors (see below), whose sum is σ = 46764491024160. Its totient is φ = 8868642868224.

The previous prime is 22220204020219. The next prime is 22220204020243. The reversal of 22220204020220 is 2202040202222.

22220204020220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×22220204020220³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22220204020192 and 22220204020201.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 281739032 + ... + 281817888.

It is an arithmetic number, because the mean of its divisors is an integer number (974260229670).

Almost surely, 2^{22220204020220} is an apocalyptic number.

22220204020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220204020220 is an abundant number, since it is smaller than the sum of its proper divisors (24544287003940).

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

22220204020220 is a wasteful number, since it uses less digits than its factorization.

22220204020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109502 (or 109500 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22220204020220 its reverse (2202040202222), we get a palindrome (24422244222442).

It can be divided in two parts, 2 and 2220204020220, that added together give a palindrome (2220204020222).

The spelling of 22220204020220 in words is "twenty-two trillion, two hundred twenty billion, two hundred four million, twenty thousand, two hundred twenty".