20130232230000 has 600 divisors, whose sum is σ = 73389768456576. Its totient is φ = 5143392000000.

The previous prime is 20130232229977. The next prime is 20130232230047. The reversal of 20130232230000 is 3223203102.

It is a happy number.

20130232230000 is a `hidden beast` number, since 2 + 0 + 130 + 232 + 2 + 300 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (600).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 281754282 + ... + 281825718.

Almost surely, 2^{20130232230000} is an apocalyptic number.

20130232230000 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 20130232230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36694884228288).

20130232230000 is an abundant number, since it is smaller than the sum of its proper divisors (53259536226576).

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

20130232230000 is a wasteful number, since it uses less digits than its factorization.

20130232230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71603 (or 71579 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20130232230000 its reverse (3223203102), we get a palindrome (20133455433102).

The spelling of 20130232230000 in words is "twenty trillion, one hundred thirty billion, two hundred thirty-two million, two hundred thirty thousand".