20879041 has 8 divisors (see below), whose sum is σ = 21254400. Its totient is φ = 20506080.

The previous prime is 20879039. The next prime is 20879057. The reversal of 20879041 is 14097802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20879041 - 2¹ = 20879039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20878994 and 20879012.

It is not an unprimeable number, because it can be changed into a prime (20879021) 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 7 ways as a sum of consecutive naturals, for example, 28680 + ... + 29398.

It is an arithmetic number, because the mean of its divisors is an integer number (2656800).

Almost surely, 2^20879041 is an apocalyptic number.

It is an amenable number.

20879041 is a deficient number, since it is larger than the sum of its proper divisors (375359).

20879041 is an equidigital number, since it uses as much as digits as its factorization.

20879041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 20879041 is about 4569.3589265892. The cubic root of 20879041 is about 275.3616882755.

The spelling of 20879041 in words is "twenty million, eight hundred seventy-nine thousand, forty-one".