20000222022220 has 192 divisors, whose sum is σ = 47249114596992. Its totient is φ = 7050240000000.

The previous prime is 20000222022173. The next prime is 20000222022229. The reversal of 20000222022220 is 2222022200002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20000222022194 and 20000222022203.

It is not an unprimeable number, because it can be changed into a prime (20000222022229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 222177220 + ... + 222267220.

It is an arithmetic number, because the mean of its divisors is an integer number (246089138526).

Almost surely, 2^{20000222022220} is an apocalyptic number.

20000222022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20000222022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23624557298496).

20000222022220 is an abundant number, since it is smaller than the sum of its proper divisors (27248892574772).

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

20000222022220 is a wasteful number, since it uses less digits than its factorization.

20000222022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90332 (or 90330 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20000222022220 its reverse (2222022200002), we get a palindrome (22222244222222).

It can be divided in two parts, 200002 and 22022220, that added together give a palindrome (22222222).

The spelling of 20000222022220 in words is "twenty trillion, two hundred twenty-two million, twenty-two thousand, two hundred twenty".