326164020 has 384 divisors, whose sum is σ = 1213857792. Its totient is φ = 63590400.

The previous prime is 326164001. The next prime is 326164039. The reversal of 326164020 is 20461623.

It is an interprime number because it is at equal distance from previous prime (326164001) and next prime (326164039).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6939637 + ... + 6939683.

It is an arithmetic number, because the mean of its divisors is an integer number (3161088).

Almost surely, 2^326164020 is an apocalyptic number.

326164020 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 326164020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606928896).

326164020 is an abundant number, since it is smaller than the sum of its proper divisors (887693772).

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

326164020 is a wasteful number, since it uses less digits than its factorization.

326164020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 326164020 is about 18060.0116279032. The cubic root of 326164020 is about 688.3542799698.

The spelling of 326164020 in words is "three hundred twenty-six million, one hundred sixty-four thousand, twenty".