2300021320 has 64 divisors (see below), whose sum is σ = 5408953200. Its totient is φ = 879083520.

The previous prime is 2300021267. The next prime is 2300021329. The reversal of 2300021320 is 231200032.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1387860516 + 912160804 = 37254^2 + 30202^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2300021320.

It is not an unprimeable number, because it can be changed into a prime (2300021329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102300 + ... + 122740.

Almost surely, 2^2300021320 is an apocalyptic number.

2300021320 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 2300021320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2704476600).

2300021320 is an abundant number, since it is smaller than the sum of its proper divisors (3108931880).

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

2300021320 is a wasteful number, since it uses less digits than its factorization.

2300021320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20578 (or 20574 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2300021320 is about 47958.5375089775. The cubic root of 2300021320 is about 1320.0102004109.

Adding to 2300021320 its reverse (231200032), we get a palindrome (2531221352).

The spelling of 2300021320 in words is "two billion, three hundred million, twenty-one thousand, three hundred twenty".