20222220000220 has 24 divisors (see below), whose sum is σ = 48533328000864. Its totient is φ = 6933332571456.

The previous prime is 20222220000217. The next prime is 20222220000293. The reversal of 20222220000220 is 2200002222202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20222220000194 and 20222220000203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72222214147 + ... + 72222214426.

It is an arithmetic number, because the mean of its divisors is an integer number (2022222000036).

Almost surely, 2^{20222220000220} is an apocalyptic number.

20222220000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222220000220 is an abundant number, since it is smaller than the sum of its proper divisors (28311108000644).

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

20222220000220 is a wasteful number, since it uses less digits than its factorization.

20222220000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144444428589 (or 144444428587 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20222220000220 its reverse (2200002222202), we get a palindrome (22422222222422).

The spelling of 20222220000220 in words is "twenty trillion, two hundred twenty-two billion, two hundred twenty million, two hundred twenty", and thus it is an aban number.