22203120032000 has 144 divisors (see below), whose sum is σ = 55405020408192. Its totient is φ = 8866110617600.

The previous prime is 22203120031991. The next prime is 22203120032003. The reversal of 22203120032000 is 23002130222.

It is a self number, because there is not a number n which added to its sum of digits gives 22203120032000.

It is not an unprimeable number, because it can be changed into a prime (22203120032003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18192989 + ... + 19375011.

It is an arithmetic number, because the mean of its divisors is an integer number (384757086168).

Almost surely, 2^{22203120032000} is an apocalyptic number.

22203120032000 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 22203120032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27702510204096).

22203120032000 is an abundant number, since it is smaller than the sum of its proper divisors (33201900376192).

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

22203120032000 is an equidigital number, since it uses as much as digits as its factorization.

22203120032000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182641 (or 1182617 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22203120032000 its reverse (23002130222), we get a palindrome (22226122162222).

The spelling of 22203120032000 in words is "twenty-two trillion, two hundred three billion, one hundred twenty million, thirty-two thousand".