999202005000 has 240 divisors, whose sum is σ = 3389333753520. Its totient is φ = 265847088000.

The previous prime is 999202004963. The next prime is 999202005031. The reversal of 999202005000 is 500202999.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 19909939 + ... + 19960061.

It is an arithmetic number, because the mean of its divisors is an integer number (14122223973).

Almost surely, 2^999202005000 is an apocalyptic number.

999202005000 is a gapful number since it is divisible by the number (90) 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 999202005000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1694666876760).

999202005000 is an abundant number, since it is smaller than the sum of its proper divisors (2390131748520).

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

999202005000 is a wasteful number, since it uses less digits than its factorization.

999202005000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50598 (or 50576 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

Adding to 999202005000 its reverse (500202999), we get a palindrome (999702207999).

The spelling of 999202005000 in words is "nine hundred ninety-nine billion, two hundred two million, five thousand".