20003200998 has 96 divisors (see below), whose sum is σ = 45076227840. Its totient is φ = 5868685440.

The previous prime is 20003200951. The next prime is 20003201027. The reversal of 20003200998 is 89900230002.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24304815 + ... + 24305637.

It is an arithmetic number, because the mean of its divisors is an integer number (469544040).

Almost surely, 2^20003200998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20003200998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22538113920).

20003200998 is an abundant number, since it is smaller than the sum of its proper divisors (25073026842).

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

20003200998 is a wasteful number, since it uses less digits than its factorization.

20003200998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 20003200998 in words is "twenty billion, three million, two hundred thousand, nine hundred ninety-eight".