20201310123139 has 2 divisors, whose sum is σ = 20201310123140. Its totient is φ = 20201310123138.

The previous prime is 20201310123017. The next prime is 20201310123149. The reversal of 20201310123139 is 93132101310202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20201310123139 - 2⁹ = 20201310122627 is a prime.

It is not a weakly prime, because it can be changed into another prime (20201310123149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100655061569 + 10100655061570.

It is an arithmetic number, because the mean of its divisors is an integer number (10100655061570).

Almost surely, 2^{20201310123139} is an apocalyptic number.

20201310123139 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201310123139 is an equidigital number, since it uses as much as digits as its factorization.

20201310123139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 20201310123139 in words is "twenty trillion, two hundred one billion, three hundred ten million, one hundred twenty-three thousand, one hundred thirty-nine".