326506020 has 48 divisors (see below), whose sum is σ = 915001920. Its totient is φ = 86993536.

The previous prime is 326506007. The next prime is 326506021. The reversal of 326506020 is 20605623.

It is not an unprimeable number, because it can be changed into a prime (326506021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131551 + ... + 134009.

It is an arithmetic number, because the mean of its divisors is an integer number (19062540).

Almost surely, 2^326506020 is an apocalyptic number.

326506020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

326506020 is an abundant number, since it is smaller than the sum of its proper divisors (588495900).

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

326506020 is a wasteful number, since it uses less digits than its factorization.

326506020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684 (or 4682 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 326506020 is about 18069.4775796092. The cubic root of 326506020 is about 688.5947877254.

The spelling of 326506020 in words is "three hundred twenty-six million, five hundred six thousand, twenty".