20110202222022 has 96 divisors (see below), whose sum is σ = 48459684218400. Its totient is φ = 5975361999360.

The previous prime is 20110202222009. The next prime is 20110202222051. The reversal of 20110202222022 is 22022220201102.

It is a super-3 number, since 3×20110202222022³ (a number of 41 digits) contains 333 as substring.

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 = 20110202221986 and 20110202222004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16593354 + ... + 17764002.

It is an arithmetic number, because the mean of its divisors is an integer number (504788377275).

Almost surely, 2^{20110202222022} is an apocalyptic number.

20110202222022 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 20110202222022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24229842109200).

20110202222022 is an abundant number, since it is smaller than the sum of its proper divisors (28349481996378).

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

20110202222022 is a wasteful number, since it uses less digits than its factorization.

20110202222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172358 (or 1172355 counting only the distinct ones).

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

Adding to 20110202222022 its reverse (22022220201102), we get a palindrome (42132422423124).

The spelling of 20110202222022 in words is "twenty trillion, one hundred ten billion, two hundred two million, two hundred twenty-two thousand, twenty-two".