320243132000 has 96 divisors (see below), whose sum is σ = 858368163744. Its totient is φ = 116452032000.

The previous prime is 320243131997. The next prime is 320243132023. The reversal of 320243132000 is 231342023.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 3595127 + ... + 3683126.

It is an arithmetic number, because the mean of its divisors is an integer number (8941335039).

Almost surely, 2^320243132000 is an apocalyptic number.

It is an amenable number.

320243132000 is an abundant number, since it is smaller than the sum of its proper divisors (538125031744).

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

320243132000 is a wasteful number, since it uses less digits than its factorization.

320243132000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7278289 (or 7278271 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 320243132000 its reverse (231342023), we get a palindrome (320474474023).

The spelling of 320243132000 in words is "three hundred twenty billion, two hundred forty-three million, one hundred thirty-two thousand".