320220203323111 has 32 divisors (see below), whose sum is σ = 407710736294400. Its totient is φ = 244622463039360.

The previous prime is 320220203323093. The next prime is 320220203323121. The reversal of 320220203323111 is 111323302022023.

It is not a de Polignac number, because 320220203323111 - 2²¹ = 320220201225959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320220203323121) 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, 379518060 + ... + 380360878.

It is an arithmetic number, because the mean of its divisors is an integer number (12740960509200).

Almost surely, 2^{320220203323111} is an apocalyptic number.

320220203323111 is a deficient number, since it is larger than the sum of its proper divisors (87490532971289).

320220203323111 is a wasteful number, since it uses less digits than its factorization.

320220203323111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986839.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 320220203323111 its reverse (111323302022023), we get a palindrome (431543505345134).

The spelling of 320220203323111 in words is "three hundred twenty trillion, two hundred twenty billion, two hundred three million, three hundred twenty-three thousand, one hundred eleven".