20000432113 has 2 divisors, whose sum is σ = 20000432114. Its totient is φ = 20000432112.

The previous prime is 20000432093. The next prime is 20000432129. The reversal of 20000432113 is 31123400002.

It is a happy number.

It is an a-pointer prime, because the next prime (20000432129) can be obtained adding 20000432113 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17846822464 + 2153609649 = 133592^2 + 46407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20000432113 is a prime.

It is not a weakly prime, because it can be changed into another prime (20000432183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000216056 + 10000216057.

It is an arithmetic number, because the mean of its divisors is an integer number (10000216057).

Almost surely, 2^20000432113 is an apocalyptic number.

It is an amenable number.

20000432113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000432113 is an equidigital number, since it uses as much as digits as its factorization.

20000432113 is an odious number, because the sum of its binary digits is odd.

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

Adding to 20000432113 its reverse (31123400002), we get a palindrome (51123832115).

The spelling of 20000432113 in words is "twenty billion, four hundred thirty-two thousand, one hundred thirteen".