320213676 has 12 divisors (see below), whose sum is σ = 747165272. Its totient is φ = 106737888.

The previous prime is 320213671. The next prime is 320213681. The reversal of 320213676 is 676312023.

It is an interprime number because it is at equal distance from previous prime (320213671) and next prime (320213681).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (320213671) 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, 13342225 + ... + 13342248.

Almost surely, 2^320213676 is an apocalyptic number.

It is an amenable number.

320213676 is an abundant number, since it is smaller than the sum of its proper divisors (426951596).

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

320213676 is a wasteful number, since it uses less digits than its factorization.

320213676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26684480 (or 26684478 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 320213676 is about 17894.5152490924. The cubic root of 320213676 is about 684.1425868058.

Adding to 320213676 its reverse (676312023), we get a palindrome (996525699).

The spelling of 320213676 in words is "three hundred twenty million, two hundred thirteen thousand, six hundred seventy-six".