10020911 has 4 divisors (see below), whose sum is σ = 10037424. Its totient is φ = 10004400.

The previous prime is 10020889. The next prime is 10020931. The reversal of 10020911 is 11902001.

10020911 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 is a cyclic number.

It is not a de Polignac number, because 10020911 - 2¹⁸ = 9758767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7310 + ... + 8571.

It is an arithmetic number, because the mean of its divisors is an integer number (2509356).

Almost surely, 2^10020911 is an apocalyptic number.

10020911 is a deficient number, since it is larger than the sum of its proper divisors (16513).

10020911 is an equidigital number, since it uses as much as digits as its factorization.

10020911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16512.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 10020911 is about 3165.5822529197. The cubic root of 10020911 is about 215.5935357296.

Adding to 10020911 its reverse (11902001), we get a palindrome (21922912).

The spelling of 10020911 in words is "ten million, twenty thousand, nine hundred eleven".