20010310231200 has 144 divisors (see below), whose sum is σ = 65248034483520. Its totient is φ = 5326704363520.

The previous prime is 20010310231187. The next prime is 20010310231201. The reversal of 20010310231200 is 213201301002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20010310231200.

It is not an unprimeable number, because it can be changed into a prime (20010310231201) 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 23 ways as a sum of consecutive naturals, for example, 5960964 + ... + 8692163.

It is an arithmetic number, because the mean of its divisors is an integer number (453111350580).

Almost surely, 2^{20010310231200} is an apocalyptic number.

20010310231200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010310231200 is an abundant number, since it is smaller than the sum of its proper divisors (45237724252320).

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

20010310231200 is a wasteful number, since it uses less digits than its factorization.

20010310231200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14653719 (or 14653706 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20010310231200 its reverse (213201301002), we get a palindrome (20223511532202).

The spelling of 20010310231200 in words is "twenty trillion, ten billion, three hundred ten million, two hundred thirty-one thousand, two hundred".