213664202 has 8 divisors (see below), whose sum is σ = 328313412. Its totient is φ = 104226400.

The previous prime is 213664201. The next prime is 213664219. The reversal of 213664202 is 202466312.

It can be written as a sum of positive squares in 2 ways, for example, as 159037321 + 54626881 = 12611^2 + 7391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (213664201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302749 + ... + 1302912.

Almost surely, 2^213664202 is an apocalyptic number.

213664202 is a deficient number, since it is larger than the sum of its proper divisors (114649210).

213664202 is a wasteful number, since it uses less digits than its factorization.

213664202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605704.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 213664202 is about 14617.2569930203. The cubic root of 213664202 is about 597.8293808981.

The spelling of 213664202 in words is "two hundred thirteen million, six hundred sixty-four thousand, two hundred two".