10020985 has 16 divisors (see below), whose sum is σ = 13515264. Its totient is φ = 7077312.

The previous prime is 10020977. The next prime is 10021001. The reversal of 10020985 is 58902001.

10020985 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10020985 - 2³ = 10020977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1857 + ... + 4846.

It is an arithmetic number, because the mean of its divisors is an integer number (844704).

Almost surely, 2^10020985 is an apocalyptic number.

It is an amenable number.

10020985 is a deficient number, since it is larger than the sum of its proper divisors (3494279).

10020985 is a wasteful number, since it uses less digits than its factorization.

10020985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6744.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 10020985 is about 3165.5939411112. The cubic root of 10020985 is about 215.5940664159.

Adding to 10020985 its reverse (58902001), we get a palindrome (68922986).

The spelling of 10020985 in words is "ten million, twenty thousand, nine hundred eighty-five".