320202131320 has 16 divisors (see below), whose sum is σ = 720454795560. Its totient is φ = 128080852512.

The previous prime is 320202131317. The next prime is 320202131323. The reversal of 320202131320 is 23131202023.

It is an interprime number because it is at equal distance from previous prime (320202131317) and next prime (320202131323).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320202131323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4002526602 + ... + 4002526681.

Almost surely, 2^320202131320 is an apocalyptic number.

It is an amenable number.

320202131320 is an abundant number, since it is smaller than the sum of its proper divisors (400252664240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320202131320 is a wasteful number, since it uses less digits than its factorization.

320202131320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8005053294 (or 8005053290 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 320202131320 its reverse (23131202023), we get a palindrome (343333333343).

The spelling of 320202131320 in words is "three hundred twenty billion, two hundred two million, one hundred thirty-one thousand, three hundred twenty".