320202213 has 16 divisors (see below), whose sum is σ = 430527552. Its totient is φ = 211680000.

The previous prime is 320202187. The next prime is 320202221. The reversal of 320202213 is 312202023.

It is not a de Polignac number, because 320202213 - 2⁹ = 320201701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320202192 and 320202201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320202283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266013 + ... + 267213.

It is an arithmetic number, because the mean of its divisors is an integer number (26907972).

Almost surely, 2^320202213 is an apocalyptic number.

It is an amenable number.

320202213 is a deficient number, since it is larger than the sum of its proper divisors (110325339).

320202213 is a wasteful number, since it uses less digits than its factorization.

320202213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 320202213 is about 17894.1949525537. The cubic root of 320202213 is about 684.1344230695.

Adding to 320202213 its reverse (312202023), we get a palindrome (632404236).

The spelling of 320202213 in words is "three hundred twenty million, two hundred two thousand, two hundred thirteen".