10020947 has 2 divisors, whose sum is σ = 10020948. Its totient is φ = 10020946.

The previous prime is 10020931. The next prime is 10020949. The reversal of 10020947 is 74902001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10020947 - 2⁴ = 10020931 is a prime.

Together with 10020949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10020949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010473 + 5010474.

It is an arithmetic number, because the mean of its divisors is an integer number (5010474).

Almost surely, 2^10020947 is an apocalyptic number.

10020947 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020947 is an equidigital number, since it uses as much as digits as its factorization.

10020947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 10020947 is about 3165.5879390723. The cubic root of 10020947 is about 215.5937939016.

Adding to 10020947 its reverse (74902001), we get a palindrome (84922948).

The spelling of 10020947 in words is "ten million, twenty thousand, nine hundred forty-seven".