20441015 has 16 divisors (see below), whose sum is σ = 28213248. Its totient is φ = 13926816.

The previous prime is 20440999. The next prime is 20441023. The reversal of 20441015 is 51014402.

It is a cyclic number.

It is not a de Polignac number, because 20441015 - 2⁴ = 20440999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20440984 and 20441002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3914 + ... + 7496.

It is an arithmetic number, because the mean of its divisors is an integer number (1763328).

Almost surely, 2^20441015 is an apocalyptic number.

20441015 is a deficient number, since it is larger than the sum of its proper divisors (7772233).

20441015 is a wasteful number, since it uses less digits than its factorization.

20441015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 20441015 is about 4521.1740731805. The cubic root of 20441015 is about 273.4224385609.

Adding to 20441015 its reverse (51014402), we get a palindrome (71455417).

The spelling of 20441015 in words is "twenty million, four hundred forty-one thousand, fifteen".