20142416 has 80 divisors (see below), whose sum is σ = 48211200. Its totient is φ = 7956480.

The previous prime is 20142401. The next prime is 20142427. The reversal of 20142416 is 61424102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135110 + ... + 135258.

It is an arithmetic number, because the mean of its divisors is an integer number (602640).

Almost surely, 2^20142416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20142416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24105600).

20142416 is an abundant number, since it is smaller than the sum of its proper divisors (28068784).

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

20142416 is a wasteful number, since it uses less digits than its factorization.

20142416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20142416 is about 4488.0303029280. The cubic root of 20142416 is about 272.0845325497.

Adding to 20142416 its reverse (61424102), we get a palindrome (81566518).

The spelling of 20142416 in words is "twenty million, one hundred forty-two thousand, four hundred sixteen".