10020971 has 2 divisors, whose sum is σ = 10020972. Its totient is φ = 10020970.

The previous prime is 10020949. The next prime is 10020977. The reversal of 10020971 is 17902001.

10020971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10020971 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10020977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010485 + 5010486.

It is an arithmetic number, because the mean of its divisors is an integer number (5010486).

Almost surely, 2^10020971 is an apocalyptic number.

10020971 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020971 is an equidigital number, since it uses as much as digits as its factorization.

10020971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 10020971 is about 3165.5917298350. The cubic root of 10020971 is about 215.5939660160.

Adding to 10020971 its reverse (17902001), we get a palindrome (27922972).

The spelling of 10020971 in words is "ten million, twenty thousand, nine hundred seventy-one".