20103313231200 has 288 divisors, whose sum is σ = 67627851540480. Its totient is φ = 5181752217600.

The previous prime is 20103313231187. The next prime is 20103313231213. The reversal of 20103313231200 is 213231330102.

It is an interprime number because it is at equal distance from previous prime (20103313231187) and next prime (20103313231213).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62260572 + ... + 62582628.

It is an arithmetic number, because the mean of its divisors is an integer number (234818928960).

Almost surely, 2^{20103313231200} is an apocalyptic number.

20103313231200 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 20103313231200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33813925770240).

20103313231200 is an abundant number, since it is smaller than the sum of its proper divisors (47524538309280).

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

20103313231200 is a wasteful number, since it uses less digits than its factorization.

20103313231200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322950 (or 322937 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20103313231200 its reverse (213231330102), we get a palindrome (20316544561302).

The spelling of 20103313231200 in words is "twenty trillion, one hundred three billion, three hundred thirteen million, two hundred thirty-one thousand, two hundred".