328027072021 has 8 divisors (see below), whose sum is σ = 358582521024. Its totient is φ = 297594090720.

The previous prime is 328027072019. The next prime is 328027072031. The reversal of 328027072021 is 120270720823.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328027072021 - 2¹ = 328027072019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328027072001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30611320 + ... + 30622033.

It is an arithmetic number, because the mean of its divisors is an integer number (44822815128).

Almost surely, 2^328027072021 is an apocalyptic number.

It is an amenable number.

328027072021 is a deficient number, since it is larger than the sum of its proper divisors (30555449003).

328027072021 is a wasteful number, since it uses less digits than its factorization.

328027072021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61233851.

The product of its (nonzero) digits is 18816, while the sum is 34.

Adding to 328027072021 its reverse (120270720823), we get a palindrome (448297792844).

The spelling of 328027072021 in words is "three hundred twenty-eight billion, twenty-seven million, seventy-two thousand, twenty-one".