20134415 has 16 divisors (see below), whose sum is σ = 27688512. Its totient is φ = 13768704.

The previous prime is 20134391. The next prime is 20134417. The reversal of 20134415 is 51443102.

It is a cyclic number.

It is not a de Polignac number, because 20134415 - 2²⁴ = 3357199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134417) 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 15 ways as a sum of consecutive naturals, for example, 19697 + ... + 20693.

It is an arithmetic number, because the mean of its divisors is an integer number (1730532).

Almost surely, 2^20134415 is an apocalyptic number.

20134415 is a deficient number, since it is larger than the sum of its proper divisors (7554097).

20134415 is an equidigital number, since it uses as much as digits as its factorization.

20134415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20134415 is about 4487.1388434057. The cubic root of 20134415 is about 272.0485018396.

Adding to 20134415 its reverse (51443102), we get a palindrome (71577517).

The spelling of 20134415 in words is "twenty million, one hundred thirty-four thousand, four hundred fifteen".