20201022120222 has 96 divisors (see below), whose sum is σ = 47044547241120. Its totient is φ = 6245955671040.

The previous prime is 20201022120221. The next prime is 20201022120299. The reversal of 20201022120222 is 22202122010202.

20201022120222 is a `hidden beast` number, since 2 + 0 + 201 + 0 + 221 + 20 + 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 = 20201022120195 and 20201022120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201022120221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 467272 + ... + 6373412.

It is an arithmetic number, because the mean of its divisors is an integer number (490047367095).

Almost surely, 2^{20201022120222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20201022120222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23522273620560).

20201022120222 is an abundant number, since it is smaller than the sum of its proper divisors (26843525120898).

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

20201022120222 is a wasteful number, since it uses less digits than its factorization.

20201022120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5906378 (or 5906375 counting only the distinct ones).

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

Adding to 20201022120222 its reverse (22202122010202), we get a palindrome (42403144130424).

The spelling of 20201022120222 in words is "twenty trillion, two hundred one billion, twenty-two million, one hundred twenty thousand, two hundred twenty-two".