213424202 has 4 divisors (see below), whose sum is σ = 320136306. Its totient is φ = 106712100.

The previous prime is 213424193. The next prime is 213424223. The reversal of 213424202 is 202424312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 211731601 + 1692601 = 14551^2 + 1301^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53356049 + ... + 53356052.

Almost surely, 2^213424202 is an apocalyptic number.

213424202 is a deficient number, since it is larger than the sum of its proper divisors (106712104).

213424202 is a wasteful number, since it uses less digits than its factorization.

213424202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106712103.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 213424202 is about 14609.0452117857. The cubic root of 213424202 is about 597.6054581805.

Adding to 213424202 its reverse (202424312), we get a palindrome (415848514).

The spelling of 213424202 in words is "two hundred thirteen million, four hundred twenty-four thousand, two hundred two".