20320201 has 8 divisors (see below), whose sum is σ = 23131584. Its totient is φ = 17669520.

The previous prime is 20320189. The next prime is 20320211. The reversal of 20320201 is 10202302.

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

It is not a de Polignac number, because 20320201 - 2⁷ = 20320073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20320211) 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 7 ways as a sum of consecutive naturals, for example, 39906 + ... + 40411.

It is an arithmetic number, because the mean of its divisors is an integer number (2891448).

Almost surely, 2^20320201 is an apocalyptic number.

It is an amenable number.

20320201 is a deficient number, since it is larger than the sum of its proper divisors (2811383).

20320201 is a wasteful number, since it uses less digits than its factorization.

20320201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80351.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20320201 is about 4507.7933626110. The cubic root of 20320201 is about 272.8826977074.

Adding to 20320201 its reverse (10202302), we get a palindrome (30522503).

The spelling of 20320201 in words is "twenty million, three hundred twenty thousand, two hundred one".