22002120122220 has 120 divisors (see below), whose sum is σ = 78881675145504. Its totient is φ = 5029056025344.

The previous prime is 22002120122209. The next prime is 22002120122243. The reversal of 22002120122220 is 2222102120022.

22002120122220 is a `hidden beast` number, since 2 + 200 + 2 + 120 + 122 + 220 = 666.

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 = 22002120122193 and 22002120122202.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 970099777 + ... + 970122456.

Almost surely, 2^{22002120122220} is an apocalyptic number.

22002120122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002120122220 is an abundant number, since it is smaller than the sum of its proper divisors (56879555023284).

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

22002120122220 is a wasteful number, since it uses less digits than its factorization.

22002120122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940222261 (or 1940222250 counting only the distinct ones).

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

Adding to 22002120122220 its reverse (2222102120022), we get a palindrome (24224222242242).

The spelling of 22002120122220 in words is "twenty-two trillion, two billion, one hundred twenty million, one hundred twenty-two thousand, two hundred twenty".