20875041 has 36 divisors (see below), whose sum is σ = 34337940. Its totient is φ = 12196800.

The previous prime is 20875033. The next prime is 20875051. The reversal of 20875041 is 14057802.

It can be written as a sum of positive squares in 2 ways, for example, as 13905441 + 6969600 = 3729^2 + 2640^2 .

It is not a de Polignac number, because 20875041 - 2³ = 20875033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20874996 and 20875014.

It is not an unprimeable number, because it can be changed into a prime (20875051) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31251 + ... + 31911.

Almost surely, 2^20875041 is an apocalyptic number.

It is an amenable number.

20875041 is a deficient number, since it is larger than the sum of its proper divisors (13462899).

20875041 is a wasteful number, since it uses less digits than its factorization.

20875041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 20875041 is about 4568.9212074624. The cubic root of 20875041 is about 275.3441025843.

The spelling of 20875041 in words is "twenty million, eight hundred seventy-five thousand, forty-one".