20020020022220 has 96 divisors (see below), whose sum is σ = 44099382458880. Its totient is φ = 7619879168000.

The previous prime is 20020020022207. The next prime is 20020020022279. The reversal of 20020020022220 is 2222002002002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20020020022195 and 20020020022204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67890095 + ... + 68184345.

It is an arithmetic number, because the mean of its divisors is an integer number (459368567280).

Almost surely, 2^{20020020022220} is an apocalyptic number.

20020020022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20020020022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22049691229440).

20020020022220 is an abundant number, since it is smaller than the sum of its proper divisors (24079362436660).

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

20020020022220 is a wasteful number, since it uses less digits than its factorization.

20020020022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295055 (or 295053 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20020020022220 its reverse (2222002002002), we get a palindrome (22242022024222).

The spelling of 20020020022220 in words is "twenty trillion, twenty billion, twenty million, twenty-two thousand, two hundred twenty".