20410525129 has 2 divisors, whose sum is σ = 20410525130. Its totient is φ = 20410525128.

The previous prime is 20410525123. The next prime is 20410525207. The reversal of 20410525129 is 92152501402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13742169529 + 6668355600 = 117227^2 + 81660^2 .

It is a cyclic number.

It is not a de Polignac number, because 20410525129 - 2⁷ = 20410525001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20410525129.

It is not a weakly prime, because it can be changed into another prime (20410525123) 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, 10205262564 + 10205262565.

It is an arithmetic number, because the mean of its divisors is an integer number (10205262565).

Almost surely, 2^20410525129 is an apocalyptic number.

It is an amenable number.

20410525129 is a deficient number, since it is larger than the sum of its proper divisors (1).

20410525129 is an equidigital number, since it uses as much as digits as its factorization.

20410525129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 20410525129 in words is "twenty billion, four hundred ten million, five hundred twenty-five thousand, one hundred twenty-nine".