320020483608 has 160 divisors (see below), whose sum is σ = 1025344029600. Its totient is φ = 91350540288.

The previous prime is 320020483603. The next prime is 320020483613. The reversal of 320020483608 is 806384020023.

320020483608 is a `hidden beast` number, since 3 + 2 + 0 + 0 + 2 + 0 + 48 + 3 + 608 = 666.

It is an interprime number because it is at equal distance from previous prime (320020483603) and next prime (320020483613).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320020483603) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4998616 + ... + 5062232.

It is an arithmetic number, because the mean of its divisors is an integer number (6408400185).

Almost surely, 2^320020483608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320020483608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512672014800).

320020483608 is an abundant number, since it is smaller than the sum of its proper divisors (705323545992).

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

320020483608 is a wasteful number, since it uses less digits than its factorization.

320020483608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64751 (or 64738 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 320020483608 in words is "three hundred twenty billion, twenty million, four hundred eighty-three thousand, six hundred eight".