20043413 has 8 divisors (see below), whose sum is σ = 21627648. Its totient is φ = 18465264.

The previous prime is 20043409. The next prime is 20043433. The reversal of 20043413 is 31434002.

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 20043413 - 2² = 20043409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20043391 and 20043400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043403) 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, 7220 + ... + 9602.

It is an arithmetic number, because the mean of its divisors is an integer number (2703456).

Almost surely, 2^20043413 is an apocalyptic number.

It is an amenable number.

20043413 is a deficient number, since it is larger than the sum of its proper divisors (1584235).

20043413 is a wasteful number, since it uses less digits than its factorization.

20043413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20043413 is about 4476.9870448774. The cubic root of 20043413 is about 271.6380214108.

Adding to 20043413 its reverse (31434002), we get a palindrome (51477415).

The spelling of 20043413 in words is "twenty million, forty-three thousand, four hundred thirteen".