20022212222220 has 96 divisors (see below), whose sum is σ = 62322240798720. Its totient is φ = 4769559233280.

The previous prime is 20022212222203. The next prime is 20022212222237. The reversal of 20022212222220 is 2222221222002.

It is an interprime number because it is at equal distance from previous prime (20022212222203) and next prime (20022212222237).

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, 414000060 + ... + 414048419.

It is an arithmetic number, because the mean of its divisors is an integer number (649190008320).

Almost surely, 2^{20022212222220} is an apocalyptic number.

20022212222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022212222220 is an abundant number, since it is smaller than the sum of its proper divisors (42300028576500).

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

20022212222220 is a wasteful number, since it uses less digits than its factorization.

20022212222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828048535 (or 828048533 counting only the distinct ones).

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

Adding to 20022212222220 its reverse (2222221222002), we get a palindrome (22244433444222).

The spelling of 20022212222220 in words is "twenty trillion, twenty-two billion, two hundred twelve million, two hundred twenty-two thousand, two hundred twenty".