320313121234420 has 96 divisors (see below), whose sum is σ = 681505563852288. Its totient is φ = 126443363438592.

The previous prime is 320313121234409. The next prime is 320313121234423. The reversal of 320313121234420 is 24432121313023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320313121234423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5811484702 + ... + 5811539818.

It is an arithmetic number, because the mean of its divisors is an integer number (7099016290128).

Almost surely, 2^{320313121234420} is an apocalyptic number.

It is an amenable number.

320313121234420 is an abundant number, since it is smaller than the sum of its proper divisors (361192442617868).

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

320313121234420 is a wasteful number, since it uses less digits than its factorization.

320313121234420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58969 (or 58967 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 320313121234420 its reverse (24432121313023), we get a palindrome (344745242547443).

The spelling of 320313121234420 in words is "three hundred twenty trillion, three hundred thirteen billion, one hundred twenty-one million, two hundred thirty-four thousand, four hundred twenty".