213320020303 has 16 divisors (see below), whose sum is σ = 232430325120. Its totient is φ = 194609088864.

The previous prime is 213320020289. The next prime is 213320020379. The reversal of 213320020303 is 303020023312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 213320020303 - 2²⁵ = 213286465871 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 (213320020103) 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, 98100 + ... + 660502.

It is an arithmetic number, because the mean of its divisors is an integer number (14526895320).

Almost surely, 2^213320020303 is an apocalyptic number.

213320020303 is a deficient number, since it is larger than the sum of its proper divisors (19110304817).

213320020303 is a wasteful number, since it uses less digits than its factorization.

213320020303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562758.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 213320020303 its reverse (303020023312), we get a palindrome (516340043615).

The spelling of 213320020303 in words is "two hundred thirteen billion, three hundred twenty million, twenty thousand, three hundred three".