320210020213 has 16 divisors (see below), whose sum is σ = 331481417904. Its totient is φ = 309105008640.

The previous prime is 320210020181. The next prime is 320210020217. The reversal of 320210020213 is 312020012023.

It can be written as a sum of positive squares in 8 ways, for example, as 97432628164 + 222777392049 = 312142^2 + 471993^2 .

It is a cyclic number.

It is not a de Polignac number, because 320210020213 - 2⁵ = 320210020181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320210020217) 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, 24002481 + ... + 24015817.

It is an arithmetic number, because the mean of its divisors is an integer number (20717588619).

Almost surely, 2^320210020213 is an apocalyptic number.

It is an amenable number.

320210020213 is a deficient number, since it is larger than the sum of its proper divisors (11271397691).

320210020213 is a wasteful number, since it uses less digits than its factorization.

320210020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19512.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 320210020213 its reverse (312020012023), we get a palindrome (632230032236).

The spelling of 320210020213 in words is "three hundred twenty billion, two hundred ten million, twenty thousand, two hundred thirteen".