102020243285839 has 2 divisors, whose sum is σ = 102020243285840. Its totient is φ = 102020243285838.

The previous prime is 102020243285833. The next prime is 102020243285861. The reversal of 102020243285839 is 938582342020201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102020243285839 - 2³⁷ = 101882804332367 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102020243285792 and 102020243285801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102020243285833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010121642919 + 51010121642920.

It is an arithmetic number, because the mean of its divisors is an integer number (51010121642920).

Almost surely, 2^{102020243285839} is an apocalyptic number.

102020243285839 is a deficient number, since it is larger than the sum of its proper divisors (1).

102020243285839 is an equidigital number, since it uses as much as digits as its factorization.

102020243285839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 102020243285839 in words is "one hundred two trillion, twenty billion, two hundred forty-three million, two hundred eighty-five thousand, eight hundred thirty-nine".