20050050 has 48 divisors (see below), whose sum is σ = 49996800. Its totient is φ = 5317440.

The previous prime is 20050039. The next prime is 20050057. The reversal of 20050050 is 5005002.

It is not an unprimeable number, because it can be changed into a prime (20050057) 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, 52159 + ... + 52541.

It is an arithmetic number, because the mean of its divisors is an integer number (1041600).

Almost surely, 2^20050050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20050050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24998400).

20050050 is an abundant number, since it is smaller than the sum of its proper divisors (29946750).

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

20050050 is a wasteful number, since it uses less digits than its factorization.

20050050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 12.

The square root of 20050050 is about 4477.7282186394. The cubic root of 20050050 is about 271.6680007128.

Adding to 20050050 its reverse (5005002), we get a palindrome (25055052).

The spelling of 20050050 in words is "twenty million, fifty thousand, fifty".