2313020220 has 192 divisors, whose sum is σ = 7644865536. Its totient is φ = 511488000.

The previous prime is 2313020219. The next prime is 2313020243. The reversal of 2313020220 is 220203132.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2313020220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3900244 + ... + 3900836.

It is an arithmetic number, because the mean of its divisors is an integer number (39817008).

Almost surely, 2^2313020220 is an apocalyptic number.

2313020220 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 2313020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3822432768).

2313020220 is an abundant number, since it is smaller than the sum of its proper divisors (5331845316).

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

2313020220 is a wasteful number, since it uses less digits than its factorization.

2313020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2313020220 is about 48093.8688400091. The cubic root of 2313020220 is about 1322.4922725906.

Adding to 2313020220 its reverse (220203132), we get a palindrome (2533223352).

The spelling of 2313020220 in words is "two billion, three hundred thirteen million, twenty thousand, two hundred twenty".