20131443141200 has 120 divisors (see below), whose sum is σ = 48695374234080. Its totient is φ = 7997813977600.

The previous prime is 20131443141191. The next prime is 20131443141263. The reversal of 20131443141200 is 214134413102.

It is a self number, because there is not a number n which added to its sum of digits gives 20131443141200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58612367 + ... + 58954833.

It is an arithmetic number, because the mean of its divisors is an integer number (405794785284).

Almost surely, 2^{20131443141200} is an apocalyptic number.

20131443141200 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 20131443141200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24347687117040).

20131443141200 is an abundant number, since it is smaller than the sum of its proper divisors (28563931092880).

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

20131443141200 is a wasteful number, since it uses less digits than its factorization.

20131443141200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343485 (or 343474 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 20131443141200 its reverse (214134413102), we get a palindrome (20345577554302).

The spelling of 20131443141200 in words is "twenty trillion, one hundred thirty-one billion, four hundred forty-three million, one hundred forty-one thousand, two hundred".