10020939 has 16 divisors (see below), whose sum is σ = 14764032. Its totient is φ = 6013568.

The previous prime is 10020931. The next prime is 10020947. The reversal of 10020939 is 93902001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10020931) and next prime (10020947).

It is a cyclic number.

It is not a de Polignac number, because 10020939 - 2³ = 10020931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10020931) 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 in 15 ways as a sum of consecutive naturals, for example, 3099 + ... + 5444.

It is an arithmetic number, because the mean of its divisors is an integer number (922752).

Almost surely, 2^10020939 is an apocalyptic number.

10020939 is a deficient number, since it is larger than the sum of its proper divisors (4743093).

10020939 is a wasteful number, since it uses less digits than its factorization.

10020939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8586.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 10020939 is about 3165.5866754837. The cubic root of 10020939 is about 215.5937365301.

The spelling of 10020939 in words is "ten million, twenty thousand, nine hundred thirty-nine".