19932318000000 has 3024 divisors, whose sum is σ = 89398190063520. Its totient is φ = 4408992000000.

The previous prime is 19932317999987. The next prime is 19932318000017. The reversal of 19932318000000 is 81323991.

It is a tau number, because it is divible by the number of its divisors (3024).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 377 ways as a sum of consecutive naturals, for example, 642977999985 + ... + 642978000015.

Almost surely, 2^{19932318000000} is an apocalyptic number.

19932318000000 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 19932318000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44699095031760).

19932318000000 is an abundant number, since it is smaller than the sum of its proper divisors (69465872063520).

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

19932318000000 is an frugal number, since it uses more digits than its factorization.

19932318000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

Adding to 19932318000000 its reverse (81323991), we get a palindrome (19932399323991).

The spelling of 19932318000000 in words is "nineteen trillion, nine hundred thirty-two billion, three hundred eighteen million", and thus it is an aban number.