20413115 has 8 divisors (see below), whose sum is σ = 24911280. Its totient is φ = 16053472.

The previous prime is 20413069. The next prime is 20413117. The reversal of 20413115 is 51131402.

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 20413115 - 2⁶ = 20413051 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 20413093 and 20413102.

It is not an unprimeable number, because it can be changed into a prime (20413117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34304 + ... + 34893.

It is an arithmetic number, because the mean of its divisors is an integer number (3113910).

Almost surely, 2^20413115 is an apocalyptic number.

20413115 is a deficient number, since it is larger than the sum of its proper divisors (4498165).

20413115 is an equidigital number, since it uses as much as digits as its factorization.

20413115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69261.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 20413115 is about 4518.0875378859. The cubic root of 20413115 is about 273.2979835638.

Adding to 20413115 its reverse (51131402), we get a palindrome (71544517).

The spelling of 20413115 in words is "twenty million, four hundred thirteen thousand, one hundred fifteen".