20430234201 has 16 divisors (see below), whose sum is σ = 29889228096. Its totient is φ = 12335234496.

The previous prime is 20430234193. The next prime is 20430234221. The reversal of 20430234201 is 10243203402.

It is not a de Polignac number, because 20430234201 - 2³ = 20430234193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20430234221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4939935 + ... + 4944068.

It is an arithmetic number, because the mean of its divisors is an integer number (1868076756).

Almost surely, 2^20430234201 is an apocalyptic number.

It is an amenable number.

20430234201 is a deficient number, since it is larger than the sum of its proper divisors (9458993895).

20430234201 is a wasteful number, since it uses less digits than its factorization.

20430234201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9884072.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20430234201 its reverse (10243203402), we get a palindrome (30673437603).

The spelling of 20430234201 in words is "twenty billion, four hundred thirty million, two hundred thirty-four thousand, two hundred one".