2310321000020 has 96 divisors (see below), whose sum is σ = 5505496214400. Its totient is φ = 806665305600.

The previous prime is 2310321000011. The next prime is 2310321000037. The reversal of 2310321000020 is 200001230132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2310320999959 and 2310321000004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154451 + ... + 2155109.

It is an arithmetic number, because the mean of its divisors is an integer number (57348918900).

Almost surely, 2^{2310321000020} is an apocalyptic number.

2310321000020 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 2310321000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2752748107200).

2310321000020 is an abundant number, since it is smaller than the sum of its proper divisors (3195175214380).

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

2310321000020 is a wasteful number, since it uses less digits than its factorization.

2310321000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000889 (or 2000887 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 2310321000020 its reverse (200001230132), we get a palindrome (2510322230152).

The spelling of 2310321000020 in words is "two trillion, three hundred ten billion, three hundred twenty-one million, twenty", and thus it is an aban number.