2133011220 has 48 divisors (see below), whose sum is σ = 5989603200. Its totient is φ = 567167616.

The previous prime is 2133011207. The next prime is 2133011239. The reversal of 2133011220 is 221103312.

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 2133011220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29992 + ... + 71871.

It is an arithmetic number, because the mean of its divisors is an integer number (124783400).

Almost surely, 2^2133011220 is an apocalyptic number.

2133011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133011220 is an abundant number, since it is smaller than the sum of its proper divisors (3856591980).

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

2133011220 is a wasteful number, since it uses less digits than its factorization.

2133011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102224 (or 102222 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2133011220 is about 46184.5344244153. The cubic root of 2133011220 is about 1287.2543851705.

Adding to 2133011220 its reverse (221103312), we get a palindrome (2354114532).

The spelling of 2133011220 in words is "two billion, one hundred thirty-three million, eleven thousand, two hundred twenty".