20134430201 has 4 divisors (see below), whose sum is σ = 20141515152. Its totient is φ = 20127345252.

The previous prime is 20134430153. The next prime is 20134430243. The reversal of 20134430201 is 10203443102.

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: 10203443102 = 2 ⋅5101721551.

It is a cyclic number.

It is not a de Polignac number, because 20134430201 - 2³⁴ = 2954561017 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 (20134430501) 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, 3538211 + ... + 3543896.

It is an arithmetic number, because the mean of its divisors is an integer number (5035378788).

Almost surely, 2^20134430201 is an apocalyptic number.

It is an amenable number.

20134430201 is a deficient number, since it is larger than the sum of its proper divisors (7084951).

20134430201 is an equidigital number, since it uses as much as digits as its factorization.

20134430201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7084950.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20134430201 its reverse (10203443102), we get a palindrome (30337873303).

The spelling of 20134430201 in words is "twenty billion, one hundred thirty-four million, four hundred thirty thousand, two hundred one".