9998200000 has 84 divisors (see below), whose sum is σ = 24799131504. Its totient is φ = 3999200000.

The previous prime is 9998199943. The next prime is 9998200013. The reversal of 9998200000 is 28999.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175005 + ... + 224995.

It is an arithmetic number, because the mean of its divisors is an integer number (295227756).

Almost surely, 2^9998200000 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 9998200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12399565752).

9998200000 is an abundant number, since it is smaller than the sum of its proper divisors (14800931504).

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

9998200000 is an frugal number, since it uses more digits than its factorization.

9998200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50028 (or 49998 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 9998200000 is about 99990.9995949635. Note that the first 3 decimals coincide. The cubic root of 9998200000 is about 2154.3054161937.

Adding to 9998200000 its reverse (28999), we get a palindrome (9998228999).

The spelling of 9998200000 in words is "nine billion, nine hundred ninety-eight million, two hundred thousand".