20832841 has 4 divisors (see below), whose sum is σ = 21186000. Its totient is φ = 20479684.

The previous prime is 20832821. The next prime is 20832859. The reversal of 20832841 is 14823802.

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 20832841 - 2¹³ = 20824649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20832821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176491 + ... + 176608.

It is an arithmetic number, because the mean of its divisors is an integer number (5296500).

Almost surely, 2^20832841 is an apocalyptic number.

It is an amenable number.

20832841 is a deficient number, since it is larger than the sum of its proper divisors (353159).

20832841 is an equidigital number, since it uses as much as digits as its factorization.

20832841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353158.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 20832841 is about 4564.3007131433. The cubic root of 20832841 is about 275.1584365257.

The spelling of 20832841 in words is "twenty million, eight hundred thirty-two thousand, eight hundred forty-one".