20323001 has 4 divisors (see below), whose sum is σ = 20353104. Its totient is φ = 20292900.

The previous prime is 20322983. The next prime is 20323013. The reversal of 20323001 is 10032302.

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 20323001 - 2¹⁴ = 20306617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20323021) 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 3 ways as a sum of consecutive naturals, for example, 14015 + ... + 15396.

It is an arithmetic number, because the mean of its divisors is an integer number (5088276).

Almost surely, 2^20323001 is an apocalyptic number.

It is an amenable number.

20323001 is a deficient number, since it is larger than the sum of its proper divisors (30103).

20323001 is an equidigital number, since it uses as much as digits as its factorization.

20323001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30102.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 20323001 is about 4508.1039251552. The cubic root of 20323001 is about 272.8952309900.

Adding to 20323001 its reverse (10032302), we get a palindrome (30355303).

The spelling of 20323001 in words is "twenty million, three hundred twenty-three thousand, one".