10202020039 has 2 divisors, whose sum is σ = 10202020040. Its totient is φ = 10202020038.

The previous prime is 10202020013. The next prime is 10202020067. The reversal of 10202020039 is 93002020201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10202020039 - 2¹³ = 10202011847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10202019998 and 10202020025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202020069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101010019 + 5101010020.

It is an arithmetic number, because the mean of its divisors is an integer number (5101010020).

Almost surely, 2^10202020039 is an apocalyptic number.

10202020039 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202020039 is an equidigital number, since it uses as much as digits as its factorization.

10202020039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The spelling of 10202020039 in words is "ten billion, two hundred two million, twenty thousand, thirty-nine".