22011202022220 has 36 divisors (see below), whose sum is σ = 66767312801280. Its totient is φ = 5869653872544.

The previous prime is 22011202022081. The next prime is 22011202022233. The reversal of 22011202022220 is 2222020211022.

22011202022220 is a `hidden beast` number, since 220 + 1 + 1 + 20 + 202 + 2 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 22011202022193 and 22011202022202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61142227660 + ... + 61142228019.

Almost surely, 2^{22011202022220} is an apocalyptic number.

22011202022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011202022220 is an abundant number, since it is smaller than the sum of its proper divisors (44756110779060).

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

22011202022220 is a wasteful number, since it uses less digits than its factorization.

22011202022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122284455694 (or 122284455689 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22011202022220 its reverse (2222020211022), we get a palindrome (24233222233242).

The spelling of 22011202022220 in words is "twenty-two trillion, eleven billion, two hundred two million, twenty-two thousand, two hundred twenty".