320020012302 has 32 divisors (see below), whose sum is σ = 701058045600. Its totient is φ = 96936419328.

The previous prime is 320020012297. The next prime is 320020012309. The reversal of 320020012302 is 203210020023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320020012309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54091027 + ... + 54096942.

It is an arithmetic number, because the mean of its divisors is an integer number (21908063925).

Almost surely, 2^320020012302 is an apocalyptic number.

320020012302 is an abundant number, since it is smaller than the sum of its proper divisors (381038033298).

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

320020012302 is a wasteful number, since it uses less digits than its factorization.

320020012302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108188020.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 320020012302 its reverse (203210020023), we get a palindrome (523230032325).

The spelling of 320020012302 in words is "three hundred twenty billion, twenty million, twelve thousand, three hundred two".