20122201221080 has 256 divisors, whose sum is σ = 54226775808000. Its totient is φ = 6570511073280.

The previous prime is 20122201221079. The next prime is 20122201221121. The reversal of 20122201221080 is 8012210222102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1419748874 + ... + 1419763046.

It is an arithmetic number, because the mean of its divisors is an integer number (211823343000).

Almost surely, 2^{20122201221080} is an apocalyptic number.

20122201221080 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 20122201221080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27113387904000).

20122201221080 is an abundant number, since it is smaller than the sum of its proper divisors (34104574586920).

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

20122201221080 is a wasteful number, since it uses less digits than its factorization.

20122201221080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15154 (or 15150 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 20122201221080 its reverse (8012210222102), we get a palindrome (28134411443182).

The spelling of 20122201221080 in words is "twenty trillion, one hundred twenty-two billion, two hundred one million, two hundred twenty-one thousand, eighty".