320100420318 has 32 divisors (see below), whose sum is σ = 731717758464. Its totient is φ = 91449806112.

The previous prime is 320100420281. The next prime is 320100420319. The reversal of 320100420318 is 813024001023.

It is a super-2 number, since 2×320100420318² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320100420319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221271 + ... + 830157.

It is an arithmetic number, because the mean of its divisors is an integer number (22866179952).

Almost surely, 2^320100420318 is an apocalyptic number.

320100420318 is an abundant number, since it is smaller than the sum of its proper divisors (411617338146).

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

320100420318 is a wasteful number, since it uses less digits than its factorization.

320100420318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621416.

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 320100420318 in words is "three hundred twenty billion, one hundred million, four hundred twenty thousand, three hundred eighteen".