2133223320 has 64 divisors (see below), whose sum is σ = 6677925120. Its totient is φ = 544125824.

The previous prime is 2133223307. The next prime is 2133223349. The reversal of 2133223320 is 233223312.

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, 383694 + ... + 389213.

It is an arithmetic number, because the mean of its divisors is an integer number (104342580).

Almost surely, 2^2133223320 is an apocalyptic number.

2133223320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133223320 is an abundant number, since it is smaller than the sum of its proper divisors (4544701800).

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

2133223320 is a wasteful number, since it uses less digits than its factorization.

2133223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772944 (or 772940 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 2133223320 is about 46186.8305905482. The cubic root of 2133223320 is about 1287.2970506135.

Adding to 2133223320 its reverse (233223312), we get a palindrome (2366446632).

The spelling of 2133223320 in words is "two billion, one hundred thirty-three million, two hundred twenty-three thousand, three hundred twenty".