889189220920 has 384 divisors, whose sum is σ = 2843169984000. Its totient is φ = 242363197440.

The previous prime is 889189220911. The next prime is 889189220923. The reversal of 889189220920 is 29022981988.

889189220920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889189220923) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9844926 + ... + 9934834.

It is an arithmetic number, because the mean of its divisors is an integer number (7404088500).

Almost surely, 2^889189220920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889189220920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1421584992000).

889189220920 is an abundant number, since it is smaller than the sum of its proper divisors (1953980763080).

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

889189220920 is a wasteful number, since it uses less digits than its factorization.

889189220920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89983 (or 89966 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 58.

The spelling of 889189220920 in words is "eight hundred eighty-nine billion, one hundred eighty-nine million, two hundred twenty thousand, nine hundred twenty".