2313320020 has 96 divisors (see below), whose sum is σ = 5480931456. Its totient is φ = 812851200.

The previous prime is 2313320017. The next prime is 2313320021. The reversal of 2313320020 is 200233132.

It is a junction number, because it is equal to n+sod(n) for n = 2313319976 and 2313320003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313320021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 916360 + ... + 918880.

It is an arithmetic number, because the mean of its divisors is an integer number (57093036).

Almost surely, 2^2313320020 is an apocalyptic number.

2313320020 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 2313320020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2740465728).

2313320020 is an abundant number, since it is smaller than the sum of its proper divisors (3167611436).

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

2313320020 is a wasteful number, since it uses less digits than its factorization.

2313320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681 (or 2679 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2313320020 is about 48096.9855604278. The cubic root of 2313320020 is about 1322.5494079976.

Adding to 2313320020 its reverse (200233132), we get a palindrome (2513553152).

The spelling of 2313320020 in words is "two billion, three hundred thirteen million, three hundred twenty thousand, twenty".