2020032321 has 8 divisors (see below), whose sum is σ = 2759068704. Its totient is φ = 1313842080.

The previous prime is 2020032319. The next prime is 2020032347. The reversal of 2020032321 is 1232300202.

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

It is not a de Polignac number, because 2020032321 - 2¹ = 2020032319 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020032321.

It is not an unprimeable number, because it can be changed into a prime (2020032121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8211391 + ... + 8211636.

It is an arithmetic number, because the mean of its divisors is an integer number (344883588).

Almost surely, 2^2020032321 is an apocalyptic number.

It is an amenable number.

2020032321 is a deficient number, since it is larger than the sum of its proper divisors (739036383).

2020032321 is a wasteful number, since it uses less digits than its factorization.

2020032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16423071.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2020032321 is about 44944.7696734559. The cubic root of 2020032321 is about 1264.1136069392.

Adding to 2020032321 its reverse (1232300202), we get a palindrome (3252332523).

The spelling of 2020032321 in words is "two billion, twenty million, thirty-two thousand, three hundred twenty-one".