20334106129 has 2 divisors, whose sum is σ = 20334106130. Its totient is φ = 20334106128.

The previous prime is 20334106123. The next prime is 20334106187. The reversal of 20334106129 is 92160143302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12802469904 + 7531636225 = 113148^2 + 86785^2 .

It is a cyclic number.

It is not a de Polignac number, because 20334106129 - 2¹³ = 20334097937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20334106129.

It is not a weakly prime, because it can be changed into another prime (20334106123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10167053064 + 10167053065.

It is an arithmetic number, because the mean of its divisors is an integer number (10167053065).

Almost surely, 2^20334106129 is an apocalyptic number.

It is an amenable number.

20334106129 is a deficient number, since it is larger than the sum of its proper divisors (1).

20334106129 is an equidigital number, since it uses as much as digits as its factorization.

20334106129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 20334106129 in words is "twenty billion, three hundred thirty-four million, one hundred six thousand, one hundred twenty-nine".