320740210532 has 24 divisors (see below), whose sum is σ = 641715634560. Its totient is φ = 137409687360.

The previous prime is 320740210529. The next prime is 320740210537. The reversal of 320740210532 is 235012047023.

It is a super-2 number, since 2×320740210532² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320740210495 and 320740210504.

It is not an unprimeable number, because it can be changed into a prime (320740210537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2022344 + ... + 2175167.

It is an arithmetic number, because the mean of its divisors is an integer number (26738151440).

Almost surely, 2^320740210532 is an apocalyptic number.

It is an amenable number.

320740210532 is an abundant number, since it is smaller than the sum of its proper divisors (320975424028).

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

320740210532 is a wasteful number, since it uses less digits than its factorization.

320740210532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200251 (or 4200249 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

Adding to 320740210532 its reverse (235012047023), we get a palindrome (555752257555).

The spelling of 320740210532 in words is "three hundred twenty billion, seven hundred forty million, two hundred ten thousand, five hundred thirty-two".