10202001239 has 2 divisors, whose sum is σ = 10202001240. Its totient is φ = 10202001238.

The previous prime is 10202001179. The next prime is 10202001241. The reversal of 10202001239 is 93210020201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10202001239 - 2⁸ = 10202000983 is a prime.

Together with 10202001241, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10202001239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202001269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101000619 + 5101000620.

It is an arithmetic number, because the mean of its divisors is an integer number (5101000620).

Almost surely, 2^10202001239 is an apocalyptic number.

10202001239 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202001239 is an equidigital number, since it uses as much as digits as its factorization.

10202001239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 10202001239 in words is "ten billion, two hundred two million, one thousand, two hundred thirty-nine".