320220255003 has 8 divisors (see below), whose sum is σ = 465774916416. Its totient is φ = 194072881800.

The previous prime is 320220254999. The next prime is 320220255029. The reversal of 320220255003 is 300552022023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320220255003 - 2² = 320220254999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320220255053) 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, 4851822013 + ... + 4851822078.

It is an arithmetic number, because the mean of its divisors is an integer number (58221864552).

Almost surely, 2^320220255003 is an apocalyptic number.

320220255003 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

320220255003 is a deficient number, since it is larger than the sum of its proper divisors (145554661413).

320220255003 is a wasteful number, since it uses less digits than its factorization.

320220255003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9703644105.

The product of its (nonzero) digits is 3600, while the sum is 24.

Adding to 320220255003 its reverse (300552022023), we get a palindrome (620772277026).

The spelling of 320220255003 in words is "three hundred twenty billion, two hundred twenty million, two hundred fifty-five thousand, three".