20414523 has 24 divisors (see below), whose sum is σ = 28804944. Its totient is φ = 12856320.

The previous prime is 20414503. The next prime is 20414533. The reversal of 20414523 is 32541402.

It is not a de Polignac number, because 20414523 - 2⁸ = 20414267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20414523.

It is not an unprimeable number, because it can be changed into a prime (20414503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210411 + ... + 210507.

It is an arithmetic number, because the mean of its divisors is an integer number (1200206).

Almost surely, 2^20414523 is an apocalyptic number.

20414523 is a deficient number, since it is larger than the sum of its proper divisors (8390421).

20414523 is an equidigital number, since it uses as much as digits as its factorization.

20414523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 20414523 is about 4518.2433533399. The cubic root of 20414523 is about 273.3042670196.

Adding to 20414523 its reverse (32541402), we get a palindrome (52955925).

It can be divided in two parts, 204 and 14523, that multiplied together give a palindrome (2962692).

The spelling of 20414523 in words is "twenty million, four hundred fourteen thousand, five hundred twenty-three".