320063311205 has 32 divisors (see below), whose sum is σ = 424467509760. Its totient is φ = 229744465920.

The previous prime is 320063311181. The next prime is 320063311261. The reversal of 320063311205 is 502113360023.

It is not a de Polignac number, because 320063311205 - 2¹⁶ = 320063245669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1876211 + ... + 2039679.

It is an arithmetic number, because the mean of its divisors is an integer number (13264609680).

Almost surely, 2^320063311205 is an apocalyptic number.

It is an amenable number.

320063311205 is a deficient number, since it is larger than the sum of its proper divisors (104404198555).

320063311205 is a wasteful number, since it uses less digits than its factorization.

320063311205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163949.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 320063311205 its reverse (502113360023), we get a palindrome (822176671228).

The spelling of 320063311205 in words is "three hundred twenty billion, sixty-three million, three hundred eleven thousand, two hundred five".