20495832000000 has 1120 divisors, whose sum is σ = 82120273847040. Its totient is φ = 4437504000000.

The previous prime is 20495831999963. The next prime is 20495832000053. The reversal of 20495832000000 is 23859402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 3191996790 + ... + 3192003210.

Almost surely, 2^{20495832000000} is an apocalyptic number.

20495832000000 is a gapful number since it is divisible by the number (20) 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 20495832000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41060136923520).

20495832000000 is an abundant number, since it is smaller than the sum of its proper divisors (61624441847040).

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

20495832000000 is an frugal number, since it uses more digits than its factorization.

20495832000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6498 (or 6457 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 20495832000000 its reverse (23859402), we get a palindrome (20495855859402).

The spelling of 20495832000000 in words is "twenty trillion, four hundred ninety-five billion, eight hundred thirty-two million", and thus it is an aban number.