320730277252 has 48 divisors (see below), whose sum is σ = 736605434880. Its totient is φ = 118383012000.

The previous prime is 320730277229. The next prime is 320730277277. The reversal of 320730277252 is 252772037023.

It is a super-2 number, since 2×320730277252² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27397624 + ... + 27409327.

It is an arithmetic number, because the mean of its divisors is an integer number (15345946560).

Almost surely, 2^320730277252 is an apocalyptic number.

It is an amenable number.

320730277252 is an abundant number, since it is smaller than the sum of its proper divisors (415875157628).

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

320730277252 is a wasteful number, since it uses less digits than its factorization.

320730277252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54806992 (or 54806990 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 40.

The spelling of 320730277252 in words is "three hundred twenty billion, seven hundred thirty million, two hundred seventy-seven thousand, two hundred fifty-two".