20125533030289 has 2 divisors, whose sum is σ = 20125533030290. Its totient is φ = 20125533030288.

The previous prime is 20125533030233. The next prime is 20125533030299. The reversal of 20125533030289 is 98203033552102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13578930201600 + 6546602828689 = 3684960^2 + 2558633^2 .

It is a cyclic number.

It is not a de Polignac number, because 20125533030289 - 2²⁹ = 20124996159377 is a prime.

It is not a weakly prime, because it can be changed into another prime (20125533030299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10062766515144 + 10062766515145.

It is an arithmetic number, because the mean of its divisors is an integer number (10062766515145).

Almost surely, 2^{20125533030289} is an apocalyptic number.

It is an amenable number.

20125533030289 is a deficient number, since it is larger than the sum of its proper divisors (1).

20125533030289 is an equidigital number, since it uses as much as digits as its factorization.

20125533030289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 20125533030289 in words is "twenty trillion, one hundred twenty-five billion, five hundred thirty-three million, thirty thousand, two hundred eighty-nine".