20020222222212 has 192 divisors, whose sum is σ = 49166320896000. Its totient is φ = 6340393572480.

The previous prime is 20020222222157. The next prime is 20020222222283. The reversal of 20020222222212 is 21222222202002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16866235483 + ... + 16866236669.

It is an arithmetic number, because the mean of its divisors is an integer number (256074588000).

Almost surely, 2^{20020222222212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20020222222212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24583160448000).

20020222222212 is an abundant number, since it is smaller than the sum of its proper divisors (29146098673788).

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

20020222222212 is a wasteful number, since it uses less digits than its factorization.

20020222222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943 (or 1895 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 20020222222212 its reverse (21222222202002), we get a palindrome (41242444424214).

The spelling of 20020222222212 in words is "twenty trillion, twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twelve".