2321310002220 has 216 divisors, whose sum is σ = 7864230406032. Its totient is φ = 549653932800.

The previous prime is 2321310002201. The next prime is 2321310002233. The reversal of 2321310002220 is 222000131232.

2321310002220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2321310002193 and 2321310002202.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3343990 + ... + 3978050.

It is an arithmetic number, because the mean of its divisors is an integer number (36408474102).

Almost surely, 2^{2321310002220} is an apocalyptic number.

2321310002220 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 2321310002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3932115203016).

2321310002220 is an abundant number, since it is smaller than the sum of its proper divisors (5542920403812).

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

2321310002220 is a wasteful number, since it uses less digits than its factorization.

2321310002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634173 (or 634125 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2321310002220 its reverse (222000131232), we get a palindrome (2543310133452).

The spelling of 2321310002220 in words is "two trillion, three hundred twenty-one billion, three hundred ten million, two thousand, two hundred twenty".