220900050 has 144 divisors (see below), whose sum is σ = 707990400. Its totient is φ = 48280320.

The previous prime is 220900049. The next prime is 220900081. The reversal of 220900050 is 50009022.

220900050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220899996 and 220900032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 70926 + ... + 73974.

It is an arithmetic number, because the mean of its divisors is an integer number (4916600).

Almost surely, 2^220900050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220900050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353995200).

220900050 is an abundant number, since it is smaller than the sum of its proper divisors (487090350).

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

220900050 is a wasteful number, since it uses less digits than its factorization.

220900050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097 (or 3089 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 220900050 is about 14862.7066848539. The cubic root of 220900050 is about 604.5032007498.

Adding to 220900050 its reverse (50009022), we get a palindrome (270909072).

The spelling of 220900050 in words is "two hundred twenty million, nine hundred thousand, fifty".