213020335 has 16 divisors (see below), whose sum is σ = 281429280. Its totient is φ = 153498240.

The previous prime is 213020333. The next prime is 213020347. The reversal of 213020335 is 533020312.

It is not a de Polignac number, because 213020335 - 2¹ = 213020333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213020333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11772 + ... + 23761.

It is an arithmetic number, because the mean of its divisors is an integer number (17589330).

Almost surely, 2^213020335 is an apocalyptic number.

213020335 is a deficient number, since it is larger than the sum of its proper divisors (68408945).

213020335 is a wasteful number, since it uses less digits than its factorization.

213020335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35658.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 213020335 is about 14595.2161683204. The cubic root of 213020335 is about 597.2282664645.

Adding to 213020335 its reverse (533020312), we get a palindrome (746040647).

The spelling of 213020335 in words is "two hundred thirteen million, twenty thousand, three hundred thirty-five".