213020230 has 16 divisors (see below), whose sum is σ = 385978464. Its totient is φ = 84643200.

The previous prime is 213020161. The next prime is 213020231. The reversal of 213020230 is 32020312.

It is a happy number.

213020230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 213020230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213020231) 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, 69027 + ... + 72046.

It is an arithmetic number, because the mean of its divisors is an integer number (24123654).

Almost surely, 2^213020230 is an apocalyptic number.

213020230 is a deficient number, since it is larger than the sum of its proper divisors (172958234).

213020230 is a wasteful number, since it uses less digits than its factorization.

213020230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141231.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 213020230 is about 14595.2125712509. The cubic root of 213020230 is about 597.2281683377.

Adding to 213020230 its reverse (32020312), we get a palindrome (245040542).

The spelling of 213020230 in words is "two hundred thirteen million, twenty thousand, two hundred thirty".