20413118 has 8 divisors (see below), whose sum is σ = 33403320. Its totient is φ = 9278680.

The previous prime is 20413117. The next prime is 20413147. The reversal of 20413118 is 81131402.

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

It is a super-3 number, since 3×20413118³ (a number of 23 digits) contains 333 as substring.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 20413118.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 463913 + ... + 463956.

It is an arithmetic number, because the mean of its divisors is an integer number (4175415).

Almost surely, 2^20413118 is an apocalyptic number.

20413118 is a deficient number, since it is larger than the sum of its proper divisors (12990202).

20413118 is a wasteful number, since it uses less digits than its factorization.

20413118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927882.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 20413118 is about 4518.0878698848. The cubic root of 20413118 is about 273.2979969522.

The spelling of 20413118 in words is "twenty million, four hundred thirteen thousand, one hundred eighteen".