326020320 has 288 divisors, whose sum is σ = 1187615520. Its totient is φ = 81285120.

The previous prime is 326020319. The next prime is 326020337. The reversal of 326020320 is 23020623.

326020320 is a `hidden beast` number, since 32 + 602 + 0 + 32 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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 = 326020293 and 326020302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1545015 + ... + 1545225.

It is an arithmetic number, because the mean of its divisors is an integer number (4123665).

Almost surely, 2^326020320 is an apocalyptic number.

326020320 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 326020320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593807760).

326020320 is an abundant number, since it is smaller than the sum of its proper divisors (861595200).

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

326020320 is a wasteful number, since it uses less digits than its factorization.

326020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 326020320 is about 18056.0327868555. The cubic root of 326020320 is about 688.2531743560.

Adding to 326020320 its reverse (23020623), we get a palindrome (349040943).

The spelling of 326020320 in words is "three hundred twenty-six million, twenty thousand, three hundred twenty".