22020220022220 has 144 divisors (see below), whose sum is σ = 76417375926528. Its totient is φ = 5027877993600.

The previous prime is 22020220022209. The next prime is 22020220022221. The reversal of 22020220022220 is 2222002202022.

22020220022220 is a `hidden beast` number, since 2 + 20 + 202 + 200 + 22 + 220 = 666.

22020220022220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22020220022193 and 22020220022202.

It is not an unprimeable number, because it can be changed into a prime (22020220022221) 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 47 ways as a sum of consecutive naturals, for example, 8034006 + ... + 10420445.

It is an arithmetic number, because the mean of its divisors is an integer number (530676221712).

Almost surely, 2^{22020220022220} is an apocalyptic number.

22020220022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020220022220 is an abundant number, since it is smaller than the sum of its proper divisors (54397155904308).

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

22020220022220 is a wasteful number, since it uses less digits than its factorization.

22020220022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18455420 (or 18455415 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 22020220022220 its reverse (2222002202022), we get a palindrome (24242222224242).

The spelling of 22020220022220 in words is "twenty-two trillion, twenty billion, two hundred twenty million, twenty-two thousand, two hundred twenty".