20935113 has 4 divisors (see below), whose sum is σ = 27913488. Its totient is φ = 13956740.

The previous prime is 20935111. The next prime is 20935121. The reversal of 20935113 is 31153902.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20935113 - 2¹ = 20935111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20935111) 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, 3489183 + ... + 3489188.

It is an arithmetic number, because the mean of its divisors is an integer number (6978372).

Almost surely, 2^20935113 is an apocalyptic number.

It is an amenable number.

20935113 is a deficient number, since it is larger than the sum of its proper divisors (6978375).

20935113 is an equidigital number, since it uses as much as digits as its factorization.

20935113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6978374.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 20935113 is about 4575.4904655130. The cubic root of 20935113 is about 275.6079684151.

The spelling of 20935113 in words is "twenty million, nine hundred thirty-five thousand, one hundred thirteen".