203420213 has 8 divisors (see below), whose sum is σ = 214905120. Its totient is φ = 192013200.

The previous prime is 203420209. The next prime is 203420237. The reversal of 203420213 is 312024302.

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

It is a cyclic number.

It is not a de Polignac number, because 203420213 - 2² = 203420209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203420191 and 203420200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203420513) 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, 14063 + ... + 24588.

It is an arithmetic number, because the mean of its divisors is an integer number (26863140).

Almost surely, 2^203420213 is an apocalyptic number.

It is an amenable number.

203420213 is a deficient number, since it is larger than the sum of its proper divisors (11484907).

203420213 is a wasteful number, since it uses less digits than its factorization.

203420213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38947.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 203420213 is about 14262.5458106188. The cubic root of 203420213 is about 588.1183113389.

Adding to 203420213 its reverse (312024302), we get a palindrome (515444515).

The spelling of 203420213 in words is "two hundred three million, four hundred twenty thousand, two hundred thirteen".