213333133320 has 128 divisors (see below), whose sum is σ = 730329782400. Its totient is φ = 55351289088.

The previous prime is 213333133301. The next prime is 213333133361. The reversal of 213333133320 is 23331333312.

213333133320 is a `hidden beast` number, since 2 + 1 + 3 + 3 + 331 + 3 + 3 + 320 = 666.

It is a super-2 number, since 2×213333133320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2629374 + ... + 2709293.

It is an arithmetic number, because the mean of its divisors is an integer number (5705701425).

Almost surely, 2^213333133320 is an apocalyptic number.

213333133320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213333133320 is an abundant number, since it is smaller than the sum of its proper divisors (516996649080).

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

213333133320 is a wasteful number, since it uses less digits than its factorization.

213333133320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338724 (or 5338714 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 27.

Adding to 213333133320 its reverse (23331333312), we get a palindrome (236664466632).

The spelling of 213333133320 in words is "two hundred thirteen billion, three hundred thirty-three million, one hundred thirty-three thousand, three hundred twenty".