10020986 has 4 divisors (see below), whose sum is σ = 15031482. Its totient is φ = 5010492.

The previous prime is 10020977. The next prime is 10021001. The reversal of 10020986 is 68902001.

10020986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5202961 + 4818025 = 2281^2 + 2195^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505245 + ... + 2505248.

Almost surely, 2^10020986 is an apocalyptic number.

10020986 is a deficient number, since it is larger than the sum of its proper divisors (5010496).

10020986 is an equidigital number, since it uses as much as digits as its factorization.

10020986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010495.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 10020986 is about 3165.5940990594. The cubic root of 10020986 is about 215.5940735874.

Adding to 10020986 its reverse (68902001), we get a palindrome (78922987).

The spelling of 10020986 in words is "ten million, twenty thousand, nine hundred eighty-six".