10020931 has 2 divisors, whose sum is σ = 10020932. Its totient is φ = 10020930.

The previous prime is 10020889. The next prime is 10020947. The reversal of 10020931 is 13902001.

It is an a-pointer prime, because the next prime (10020947) can be obtained adding 10020931 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10020931 is a prime.

It is a super-2 number, since 2×10020931² = 200838116213522, which contains 22 as substring.

It is a nialpdrome in base 6.

It is a zygodrome in base 6.

It is not a weakly prime, because it can be changed into another prime (10020971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010465 + 5010466.

It is an arithmetic number, because the mean of its divisors is an integer number (5010466).

Almost surely, 2^10020931 is an apocalyptic number.

10020931 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020931 is an equidigital number, since it uses as much as digits as its factorization.

10020931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 10020931 is about 3165.5854118946. The cubic root of 10020931 is about 215.5936791586.

Adding to 10020931 its reverse (13902001), we get a palindrome (23922932).

The spelling of 10020931 in words is "ten million, twenty thousand, nine hundred thirty-one".