320703120 has 120 divisors (see below), whose sum is σ = 1082644992. Its totient is φ = 85075200.

The previous prime is 320703101. The next prime is 320703127. The reversal of 320703120 is 21307023.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 320703093 and 320703102.

It is not an unprimeable number, because it can be changed into a prime (320703127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150865 + ... + 152975.

Almost surely, 2^320703120 is an apocalyptic number.

320703120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320703120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541322496).

320703120 is an abundant number, since it is smaller than the sum of its proper divisors (761941872).

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

320703120 is a wasteful number, since it uses less digits than its factorization.

320703120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341 (or 2332 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 320703120 is about 17908.1858377670. The cubic root of 320703120 is about 684.4909781553.

The spelling of 320703120 in words is "three hundred twenty million, seven hundred three thousand, one hundred twenty".