10020870929 has 2 divisors, whose sum is σ = 10020870930. Its totient is φ = 10020870928.

The previous prime is 10020870911. The next prime is 10020870941. The reversal of 10020870929 is 92907802001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7982529025 + 2038341904 = 89345^2 + 45148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10020870929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10020870892 and 10020870901.

It is not a weakly prime, because it can be changed into another prime (10020870029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010435464 + 5010435465.

It is an arithmetic number, because the mean of its divisors is an integer number (5010435465).

Almost surely, 2^10020870929 is an apocalyptic number.

It is an amenable number.

10020870929 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020870929 is an equidigital number, since it uses as much as digits as its factorization.

10020870929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 10020870929 in words is "ten billion, twenty million, eight hundred seventy thousand, nine hundred twenty-nine".