20310312112300 has 288 divisors, whose sum is σ = 53499703799808. Its totient is φ = 6533401006080.

The previous prime is 20310312112297. The next prime is 20310312112309. The reversal of 20310312112300 is 321121301302.

It is a super-2 number, since 2×20310312112300² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20310312112309) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7943022622 + ... + 7943025178.

It is an arithmetic number, because the mean of its divisors is an integer number (185762860416).

Almost surely, 2^{20310312112300} is an apocalyptic number.

20310312112300 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 20310312112300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26749851899904).

20310312112300 is an abundant number, since it is smaller than the sum of its proper divisors (33189391687508).

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

20310312112300 is a wasteful number, since it uses less digits than its factorization.

20310312112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425 (or 4418 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20310312112300 its reverse (321121301302), we get a palindrome (20631433413602).

The spelling of 20310312112300 in words is "twenty trillion, three hundred ten billion, three hundred twelve million, one hundred twelve thousand, three hundred".