20430111007 has 2 divisors, whose sum is σ = 20430111008. Its totient is φ = 20430111006.

The previous prime is 20430110993. The next prime is 20430111041. The reversal of 20430111007 is 70011103402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20430111007 - 2¹⁵ = 20430078239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20430111047) 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 as a sum of consecutive naturals, namely, 10215055503 + 10215055504.

It is an arithmetic number, because the mean of its divisors is an integer number (10215055504).

Almost surely, 2^20430111007 is an apocalyptic number.

20430111007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20430111007 is an equidigital number, since it uses as much as digits as its factorization.

20430111007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 20430111007 its reverse (70011103402), we get a palindrome (90441214409).

The spelling of 20430111007 in words is "twenty billion, four hundred thirty million, one hundred eleven thousand, seven".