20002202211222 has 192 divisors, whose sum is σ = 54428852275200. Its totient is φ = 5157350749440.

The previous prime is 20002202211097. The next prime is 20002202211301. The reversal of 20002202211222 is 22211220220002.

20002202211222 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 220 + 221 + 1 + 222 = 666.

It is a super-3 number, since 3×20002202211222³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 = 20002202211195 and 20002202211204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 103178179 + ... + 103371857.

It is an arithmetic number, because the mean of its divisors is an integer number (283483605600).

Almost surely, 2^{20002202211222} is an apocalyptic number.

20002202211222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20002202211222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27214426137600).

20002202211222 is an abundant number, since it is smaller than the sum of its proper divisors (34426650063978).

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

20002202211222 is a wasteful number, since it uses less digits than its factorization.

20002202211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194251 (or 194248 counting only the distinct ones).

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

Adding to 20002202211222 its reverse (22211220220002), we get a palindrome (42213422431224).

The spelling of 20002202211222 in words is "twenty trillion, two billion, two hundred two million, two hundred eleven thousand, two hundred twenty-two".