20122000212220 has 72 divisors (see below), whose sum is σ = 42398750927232. Its totient is φ = 8021725021440.

The previous prime is 20122000212211. The next prime is 20122000212227. The reversal of 20122000212220 is 2221200022102.

It is a junction number, because it is equal to n+sod(n) for n = 20122000212194 and 20122000212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122000212227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4524846037 + ... + 4524850483.

It is an arithmetic number, because the mean of its divisors is an integer number (588871540656).

Almost surely, 2^{20122000212220} is an apocalyptic number.

20122000212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122000212220 is an abundant number, since it is smaller than the sum of its proper divisors (22276750715012).

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

20122000212220 is an equidigital number, since it uses as much as digits as its factorization.

20122000212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311 (or 5768 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20122000212220 its reverse (2221200022102), we get a palindrome (22343200234322).

The spelling of 20122000212220 in words is "twenty trillion, one hundred twenty-two billion, two hundred twelve thousand, two hundred twenty".