2133204020 has 24 divisors (see below), whose sum is σ = 4480665000. Its totient is φ = 853103232.

The previous prime is 2133204019. The next prime is 2133204041. The reversal of 2133204020 is 204023312.

It can be written as a sum of positive squares in 4 ways, for example, as 400480144 + 1732723876 = 20012^2 + 41626^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2133204020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131306 + ... + 146654.

It is an arithmetic number, because the mean of its divisors is an integer number (186694375).

Almost surely, 2^2133204020 is an apocalyptic number.

2133204020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133204020 is an abundant number, since it is smaller than the sum of its proper divisors (2347460980).

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

2133204020 is a wasteful number, since it uses less digits than its factorization.

2133204020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22307 (or 22305 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2133204020 is about 46186.6216560597. The cubic root of 2133204020 is about 1287.2931683964.

Adding to 2133204020 its reverse (204023312), we get a palindrome (2337227332).

The spelling of 2133204020 in words is "two billion, one hundred thirty-three million, two hundred four thousand, twenty".