20222101002220 has 144 divisors (see below), whose sum is σ = 48459646478880. Its totient is φ = 7065592934400.

The previous prime is 20222101002217. The next prime is 20222101002253. The reversal of 20222101002220 is 2220010122202.

It is a junction number, because it is equal to n+sod(n) for n = 20222101002194 and 20222101002203.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56399110 + ... + 56756530.

It is an arithmetic number, because the mean of its divisors is an integer number (336525322770).

Almost surely, 2^{20222101002220} is an apocalyptic number.

20222101002220 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 20222101002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24229823239440).

20222101002220 is an abundant number, since it is smaller than the sum of its proper divisors (28237545476660).

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

20222101002220 is a wasteful number, since it uses less digits than its factorization.

20222101002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358356 (or 358341 counting only the distinct ones).

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

Adding to 20222101002220 its reverse (2220010122202), we get a palindrome (22442111124422).

The spelling of 20222101002220 in words is "twenty trillion, two hundred twenty-two billion, one hundred one million, two thousand, two hundred twenty".