320244355012 has 24 divisors (see below), whose sum is σ = 599511427704. Its totient is φ = 149149581312.

The previous prime is 320244354973. The next prime is 320244355051. The reversal of 320244355012 is 210553442023.

It is an interprime number because it is at equal distance from previous prime (320244354973) and next prime (320244355051).

It can be written as a sum of positive squares in 4 ways, for example, as 38988082116 + 281256272896 = 197454^2 + 530336^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24269053 + ... + 24282244.

It is an arithmetic number, because the mean of its divisors is an integer number (24979642821).

Almost surely, 2^320244355012 is an apocalyptic number.

It is an amenable number.

320244355012 is a deficient number, since it is larger than the sum of its proper divisors (279267072692).

320244355012 is a wasteful number, since it uses less digits than its factorization.

320244355012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48551415 (or 48551413 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 320244355012 its reverse (210553442023), we get a palindrome (530797797035).

The spelling of 320244355012 in words is "three hundred twenty billion, two hundred forty-four million, three hundred fifty-five thousand, twelve".