20332801 has 4 divisors (see below), whose sum is σ = 20374704. Its totient is φ = 20290900.

The previous prime is 20332777. The next prime is 20332817. The reversal of 20332801 is 10823302.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20332801 - 2¹¹ = 20330753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20332861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20215 + ... + 21196.

It is an arithmetic number, because the mean of its divisors is an integer number (5093676).

Almost surely, 2^20332801 is an apocalyptic number.

It is an amenable number.

20332801 is a deficient number, since it is larger than the sum of its proper divisors (41903).

20332801 is an equidigital number, since it uses as much as digits as its factorization.

20332801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41902.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20332801 is about 4509.1907256181. The cubic root of 20332801 is about 272.9390884155.

The spelling of 20332801 in words is "twenty million, three hundred thirty-two thousand, eight hundred one".