213322333220 has 12 divisors (see below), whose sum is σ = 447976899804. Its totient is φ = 85328933280.

The previous prime is 213322333183. The next prime is 213322333271. The reversal of 213322333220 is 22333223312.

It can be written as a sum of positive squares in 2 ways, for example, as 29295060964 + 184027272256 = 171158^2 + 428984^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213322333220.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5333058311 + ... + 5333058350.

It is an arithmetic number, because the mean of its divisors is an integer number (37331408317).

Almost surely, 2^213322333220 is an apocalyptic number.

213322333220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213322333220 is an abundant number, since it is smaller than the sum of its proper divisors (234654566584).

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

213322333220 is a wasteful number, since it uses less digits than its factorization.

213322333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10666116670 (or 10666116668 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 213322333220 its reverse (22333223312), we get a palindrome (235655556532).

The spelling of 213322333220 in words is "two hundred thirteen billion, three hundred twenty-two million, three hundred thirty-three thousand, two hundred twenty".