20132405429 has 2 divisors, whose sum is σ = 20132405430. Its totient is φ = 20132405428.

The previous prime is 20132405417. The next prime is 20132405443. The reversal of 20132405429 is 92450423102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18851839204 + 1280566225 = 137302^2 + 35785^2 .

It is a cyclic number.

It is not a de Polignac number, because 20132405429 - 2⁸ = 20132405173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20132405395 and 20132405404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20132405459) 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, 10066202714 + 10066202715.

It is an arithmetic number, because the mean of its divisors is an integer number (10066202715).

Almost surely, 2^20132405429 is an apocalyptic number.

It is an amenable number.

20132405429 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132405429 is an equidigital number, since it uses as much as digits as its factorization.

20132405429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 20132405429 in words is "twenty billion, one hundred thirty-two million, four hundred five thousand, four hundred twenty-nine".