220430850 has 96 divisors (see below), whose sum is σ = 575213184. Its totient is φ = 55756800.

The previous prime is 220430849. The next prime is 220430911. The reversal of 220430850 is 58034022.

It is a self number, because there is not a number n which added to its sum of digits gives 220430850.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 624274 + ... + 624626.

It is an arithmetic number, because the mean of its divisors is an integer number (5991804).

Almost surely, 2^220430850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220430850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287606592).

220430850 is an abundant number, since it is smaller than the sum of its proper divisors (354782334).

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

220430850 is a wasteful number, since it uses less digits than its factorization.

220430850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 220430850 is about 14846.9138207238. The cubic root of 220430850 is about 604.0749015338.

Adding to 220430850 its reverse (58034022), we get a palindrome (278464872).

The spelling of 220430850 in words is "two hundred twenty million, four hundred thirty thousand, eight hundred fifty".