20522414 has 16 divisors (see below), whose sum is σ = 33989760. Its totient is φ = 9215160.

The previous prime is 20522363. The next prime is 20522419. The reversal of 20522414 is 41422502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20522419) 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, 3794 + ... + 7445.

It is an arithmetic number, because the mean of its divisors is an integer number (2124360).

Almost surely, 2^20522414 is an apocalyptic number.

20522414 is a deficient number, since it is larger than the sum of its proper divisors (13467346).

20522414 is a wasteful number, since it uses less digits than its factorization.

20522414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11335.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 20522414 is about 4530.1671050856. The cubic root of 20522414 is about 273.7848934205.

Adding to 20522414 its reverse (41422502), we get a palindrome (61944916).

The spelling of 20522414 in words is "twenty million, five hundred twenty-two thousand, four hundred fourteen".