213333204 has 48 divisors (see below), whose sum is σ = 602356608. Its totient is φ = 57366528.

The previous prime is 213333199. The next prime is 213333217. The reversal of 213333204 is 402333312.

It is a super-2 number, since 2×213333204² = 91022111857811232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 73269 + ... + 76124.

It is an arithmetic number, because the mean of its divisors is an integer number (12549096).

Almost surely, 2^213333204 is an apocalyptic number.

It is an amenable number.

213333204 is an abundant number, since it is smaller than the sum of its proper divisors (389023404).

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

213333204 is a wasteful number, since it uses less digits than its factorization.

213333204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149424 (or 149422 counting only the distinct ones).

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

The square root of 213333204 is about 14605.9304393798. The cubic root of 213333204 is about 597.5205121253.

Adding to 213333204 its reverse (402333312), we get a palindrome (615666516).

The spelling of 213333204 in words is "two hundred thirteen million, three hundred thirty-three thousand, two hundred four".