213342333220 has 24 divisors (see below), whose sum is σ = 463467828600. Its totient is φ = 82394280192.

The previous prime is 213342333203. The next prime is 213342333227. The reversal of 213342333220 is 22333243312.

It can be written as a sum of positive squares in 4 ways, for example, as 4778403876 + 208563929344 = 69126^2 + 456688^2 .

It is a super-2 number, since 2×213342333220² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213342333227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183915225 + ... + 183916384.

It is an arithmetic number, because the mean of its divisors is an integer number (19311159525).

Almost surely, 2^213342333220 is an apocalyptic number.

213342333220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213342333220 is an abundant number, since it is smaller than the sum of its proper divisors (250125495380).

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

213342333220 is a wasteful number, since it uses less digits than its factorization.

213342333220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367831647 (or 367831645 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 213342333220 its reverse (22333243312), we get a palindrome (235675576532).

The spelling of 213342333220 in words is "two hundred thirteen billion, three hundred forty-two million, three hundred thirty-three thousand, two hundred twenty".