22002222020020 has 144 divisors (see below), whose sum is σ = 52432627742208. Its totient is φ = 7741625760000.

The previous prime is 22002222019963. The next prime is 22002222020027. The reversal of 22002222020020 is 2002022220022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22002222019976 and 22002222020003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002222020027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 681990690 + ... + 682022950.

It is an arithmetic number, because the mean of its divisors is an integer number (364115470432).

Almost surely, 2^{22002222020020} is an apocalyptic number.

22002222020020 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 22002222020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26216313871104).

22002222020020 is an abundant number, since it is smaller than the sum of its proper divisors (30430405722188).

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

22002222020020 is a wasteful number, since it uses less digits than its factorization.

22002222020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41414 (or 41401 counting only the distinct ones).

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

Adding to 22002222020020 its reverse (2002022220022), we get a palindrome (24004244240042).

The spelling of 22002222020020 in words is "twenty-two trillion, two billion, two hundred twenty-two million, twenty thousand, twenty".