19996835098500 has 288 divisors, whose sum is σ = 67943415636096. Its totient is φ = 4921754400000.

The previous prime is 19996835098403. The next prime is 19996835098543. The reversal of 19996835098500 is 589053869991.

19996835098500 is a `hidden beast` number, since 1 + 9 + 9 + 9 + 68 + 3 + 50 + 9 + 8 + 500 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 882812175 + ... + 882834825.

Almost surely, 2^{19996835098500} is an apocalyptic number.

19996835098500 is a gapful number since it is divisible by the number (10) 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 19996835098500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33971707818048).

19996835098500 is an abundant number, since it is smaller than the sum of its proper divisors (47946580537596).

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

19996835098500 is a wasteful number, since it uses less digits than its factorization.

19996835098500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37780 (or 37765 counting only the distinct ones).

The product of its (nonzero) digits is 188956800, while the sum is 72.

The spelling of 19996835098500 in words is "nineteen trillion, nine hundred ninety-six billion, eight hundred thirty-five million, ninety-eight thousand, five hundred".