20020211112222 has 96 divisors (see below), whose sum is σ = 45201843348480. Its totient is φ = 6396154632000.

The previous prime is 20020211112211. The next prime is 20020211112227. The reversal of 20020211112222 is 22221111202002.

It is a happy number.

20020211112222 is a `hidden beast` number, since 200 + 20 + 211 + 1 + 12 + 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 = 20020211112195 and 20020211112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020211112227) 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, 65314773 + ... + 65620575.

It is an arithmetic number, because the mean of its divisors is an integer number (470852534880).

Almost surely, 2^{20020211112222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20020211112222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22600921674240).

20020211112222 is an abundant number, since it is smaller than the sum of its proper divisors (25181632236258).

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

20020211112222 is a wasteful number, since it uses less digits than its factorization.

20020211112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306758 (or 306755 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20020211112222 its reverse (22221111202002), we get a palindrome (42241322314224).

The spelling of 20020211112222 in words is "twenty trillion, twenty billion, two hundred eleven million, one hundred twelve thousand, two hundred twenty-two".