20050416 has 90 divisors (see below), whose sum is σ = 58573632. Its totient is φ = 6648480.

The previous prime is 20050403. The next prime is 20050439. The reversal of 20050416 is 61405002.

It is a happy number.

20050416 is a `hidden beast` number, since 200 + 50 + 416 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 104881 + ... + 105071.

Almost surely, 2^20050416 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 20050416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29286816).

20050416 is an abundant number, since it is smaller than the sum of its proper divisors (38523216).

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

20050416 is an frugal number, since it uses more digits than its factorization.

20050416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 20050416 is about 4477.7690873916. The cubic root of 20050416 is about 271.6696537408.

Adding to 20050416 its reverse (61405002), we get a palindrome (81455418).

The spelling of 20050416 in words is "twenty million, fifty thousand, four hundred sixteen".