20310032130000 has 200 divisors, whose sum is σ = 66165002296800. Its totient is φ = 5366319552000.

The previous prime is 20310032129999. The next prime is 20310032130007. The reversal of 20310032130000 is 3123001302.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310032130007) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 164491 + ... + 6375509.

It is an arithmetic number, because the mean of its divisors is an integer number (330825011484).

Almost surely, 2^{20310032130000} is an apocalyptic number.

20310032130000 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 20310032130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33082501148400).

20310032130000 is an abundant number, since it is smaller than the sum of its proper divisors (45854970166800).

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

20310032130000 is a wasteful number, since it uses less digits than its factorization.

20310032130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211159 (or 6211138 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20310032130000 its reverse (3123001302), we get a palindrome (20313155131302).

The spelling of 20310032130000 in words is "twenty trillion, three hundred ten billion, thirty-two million, one hundred thirty thousand".