20424414 has 48 divisors (see below), whose sum is σ = 44201088. Its totient is φ = 6278448.

The previous prime is 20424409. The next prime is 20424421. The reversal of 20424414 is 41442402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304809 + ... + 304875.

It is an arithmetic number, because the mean of its divisors is an integer number (920856).

Almost surely, 2^20424414 is an apocalyptic number.

20424414 is an abundant number, since it is smaller than the sum of its proper divisors (23776674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20424414 is a wasteful number, since it uses less digits than its factorization.

20424414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 20424414 is about 4519.3377833484. The cubic root of 20424414 is about 273.3483992621.

Adding to 20424414 its reverse (41442402), we get a palindrome (61866816).

The spelling of 20424414 in words is "twenty million, four hundred twenty-four thousand, four hundred fourteen".