20220211222002 has 128 divisors (see below), whose sum is σ = 49206117427200. Its totient is φ = 6103918296000.

The previous prime is 20220211221971. The next prime is 20220211222007. The reversal of 20220211222002 is 20022211202202.

It is a super-2 number, since 2×20220211222002² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20220211222007) 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, 1012063249 + ... + 1012083227.

It is an arithmetic number, because the mean of its divisors is an integer number (384422792400).

Almost surely, 2^{20220211222002} is an apocalyptic number.

20220211222002 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 20220211222002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24603058713600).

20220211222002 is an abundant number, since it is smaller than the sum of its proper divisors (28985906205198).

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

20220211222002 is a wasteful number, since it uses less digits than its factorization.

20220211222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26429 (or 26423 counting only the distinct ones).

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

Adding to 20220211222002 its reverse (20022211202202), we get a palindrome (40242422424204).

The spelling of 20220211222002 in words is "twenty trillion, two hundred twenty billion, two hundred eleven million, two hundred twenty-two thousand, two".