2302133220 has 72 divisors (see below), whose sum is σ = 7012245240. Its totient is φ = 611343360.

The previous prime is 2302133209. The next prime is 2302133257. The reversal of 2302133220 is 223312032.

It is a happy number.

2302133220 is a `hidden beast` number, since 230 + 213 + 3 + 220 = 666.

2302133220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1161855396 + 1140277824 = 34086^2 + 33768^2 .

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 = 2302133193 and 2302133202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16846 + ... + 69914.

It is an arithmetic number, because the mean of its divisors is an integer number (97392295).

Almost surely, 2^2302133220 is an apocalyptic number.

2302133220 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 2302133220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3506122620).

2302133220 is an abundant number, since it is smaller than the sum of its proper divisors (4710112020).

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

2302133220 is a wasteful number, since it uses less digits than its factorization.

2302133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53325 (or 53320 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2302133220 is about 47980.5504345250. The cubic root of 2302133220 is about 1320.4140918464.

Adding to 2302133220 its reverse (223312032), we get a palindrome (2525445252).

The spelling of 2302133220 in words is "two billion, three hundred two million, one hundred thirty-three thousand, two hundred twenty".