20122223230000 has 400 divisors, whose sum is σ = 52543328127840. Its totient is φ = 7461138432000.

The previous prime is 20122223229989. The next prime is 20122223230111. The reversal of 20122223230000 is 3232222102.

It is a tau number, because it is divible by the number of its divisors (400).

It is a self number, because there is not a number n which added to its sum of digits gives 20122223230000.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3291706944 + ... + 3291713056.

Almost surely, 2^{20122223230000} is an apocalyptic number.

20122223230000 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 20122223230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26271664063920).

20122223230000 is an abundant number, since it is smaller than the sum of its proper divisors (32421104897840).

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

20122223230000 is an frugal number, since it uses more digits than its factorization.

20122223230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6259 (or 6204 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20122223230000 its reverse (3232222102), we get a palindrome (20125455452102).

The spelling of 20122223230000 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-three million, two hundred thirty thousand".