20320200001 has 4 divisors (see below), whose sum is σ = 20337673392. Its totient is φ = 20302726612.

The previous prime is 20320199981. The next prime is 20320200059. The reversal of 20320200001 is 10000202302.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10000202302 = 2 ⋅5000101151.

It is a cyclic number.

It is not a de Polignac number, because 20320200001 - 2¹³ = 20320191809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20320204001) 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 3 ways as a sum of consecutive naturals, for example, 8734951 + ... + 8737276.

It is an arithmetic number, because the mean of its divisors is an integer number (5084418348).

Almost surely, 2^20320200001 is an apocalyptic number.

It is an amenable number.

20320200001 is a deficient number, since it is larger than the sum of its proper divisors (17473391).

20320200001 is a wasteful number, since it uses less digits than its factorization.

20320200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17473390.

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

Adding to 20320200001 its reverse (10000202302), we get a palindrome (30320402303).

The spelling of 20320200001 in words is "twenty billion, three hundred twenty million, two hundred thousand, one".