20323102201 has 4 divisors (see below), whose sum is σ = 20323395072. Its totient is φ = 20322809332.

The previous prime is 20323102157. The next prime is 20323102213. The reversal of 20323102201 is 10220132302.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10220132302 = 2 ⋅5110066151.

It is a cyclic number.

It is not a de Polignac number, because 20323102201 - 2¹⁷ = 20322971129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20323102001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23016 + ... + 202918.

It is an arithmetic number, because the mean of its divisors is an integer number (5080848768).

Almost surely, 2^20323102201 is an apocalyptic number.

It is an amenable number.

20323102201 is a deficient number, since it is larger than the sum of its proper divisors (292871).

20323102201 is a wasteful number, since it uses less digits than its factorization.

20323102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292870.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20323102201 its reverse (10220132302), we get a palindrome (30543234503).

The spelling of 20323102201 in words is "twenty billion, three hundred twenty-three million, one hundred two thousand, two hundred one".