20002022220222 has 64 divisors (see below), whose sum is σ = 53786950525440. Its totient is φ = 5378695049088.

The previous prime is 20002022220101. The next prime is 20002022220227. The reversal of 20002022220222 is 22202222020002.

20002022220222 is a `hidden beast` number, since 20 + 0 + 0 + 202 + 2 + 220 + 222 = 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 = 20002022220195 and 20002022220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002022220227) 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 31 ways as a sum of consecutive naturals, for example, 1556328948 + ... + 1556341799.

It is an arithmetic number, because the mean of its divisors is an integer number (840421101960).

Almost surely, 2^{20002022220222} is an apocalyptic number.

20002022220222 is an abundant number, since it is smaller than the sum of its proper divisors (33784928305218).

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

20002022220222 is a wasteful number, since it uses less digits than its factorization.

20002022220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112670782 (or 3112670776 counting only the distinct ones).

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

Adding to 20002022220222 its reverse (22202222020002), we get a palindrome (42204244240224).

The spelling of 20002022220222 in words is "twenty trillion, two billion, twenty-two million, two hundred twenty thousand, two hundred twenty-two".