2310532220 has 48 divisors (see below), whose sum is σ = 5246881920. Its totient is φ = 851334144.

The previous prime is 2310532199. The next prime is 2310532223. The reversal of 2310532220 is 222350132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2310532192 and 2310532201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2310532223) 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 15 ways as a sum of consecutive naturals, for example, 56315 + ... + 88274.

It is an arithmetic number, because the mean of its divisors is an integer number (109310040).

Almost surely, 2^2310532220 is an apocalyptic number.

2310532220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2310532220 is an abundant number, since it is smaller than the sum of its proper divisors (2936349700).

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

2310532220 is a wasteful number, since it uses less digits than its factorization.

2310532220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144662 (or 144660 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2310532220 is about 48067.9957976199. The cubic root of 2310532220 is about 1322.0179229056.

Adding to 2310532220 its reverse (222350132), we get a palindrome (2532882352).

The spelling of 2310532220 in words is "two billion, three hundred ten million, five hundred thirty-two thousand, two hundred twenty".