20334413 has 12 divisors (see below), whose sum is σ = 22509984. Its totient is φ = 18354600.

The previous prime is 20334403. The next prime is 20334437. The reversal of 20334413 is 31443302.

It is not a de Polignac number, because 20334413 - 2¹⁴ = 20318029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334403) 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 11 ways as a sum of consecutive naturals, for example, 19208 + ... + 20238.

It is an arithmetic number, because the mean of its divisors is an integer number (1875832).

Almost surely, 2^20334413 is an apocalyptic number.

It is an amenable number.

20334413 is a deficient number, since it is larger than the sum of its proper divisors (2175571).

20334413 is a wasteful number, since it uses less digits than its factorization.

20334413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 20334413 is about 4509.3694681186. The cubic root of 20334413 is about 272.9463011647.

Adding to 20334413 its reverse (31443302), we get a palindrome (51777715).

Subtracting 20334413 from its reverse (31443302), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 2033 and 4413, that added together give a palindrome (6446).

The spelling of 20334413 in words is "twenty million, three hundred thirty-four thousand, four hundred thirteen".