20410129 has 2 divisors, whose sum is σ = 20410130. Its totient is φ = 20410128.

The previous prime is 20410111. The next prime is 20410139. The reversal of 20410129 is 92101402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13307904 + 7102225 = 3648^2 + 2665^2 .

It is a cyclic number.

It is not a de Polignac number, because 20410129 - 2⁵ = 20410097 is a prime.

It is not a weakly prime, because it can be changed into another prime (20410109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205064 + 10205065.

It is an arithmetic number, because the mean of its divisors is an integer number (10205065).

Almost surely, 2^20410129 is an apocalyptic number.

It is an amenable number.

20410129 is a deficient number, since it is larger than the sum of its proper divisors (1).

20410129 is an equidigital number, since it uses as much as digits as its factorization.

20410129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 20410129 is about 4517.7570762492. The cubic root of 20410129 is about 273.2846570403.

The spelling of 20410129 in words is "twenty million, four hundred ten thousand, one hundred twenty-nine".