220766850 has 96 divisors (see below), whose sum is σ = 629424000. Its totient is φ = 56831040.

The previous prime is 220766831. The next prime is 220766851. The reversal of 220766850 is 58667022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220766851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36331 + ... + 41969.

It is an arithmetic number, because the mean of its divisors is an integer number (6556500).

Almost surely, 2^220766850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220766850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314712000).

220766850 is an abundant number, since it is smaller than the sum of its proper divisors (408657150).

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

220766850 is a wasteful number, since it uses less digits than its factorization.

220766850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689 (or 5678 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 220766850 is about 14858.2249949313. The cubic root of 220766850 is about 604.3816736672.

The spelling of 220766850 in words is "two hundred twenty million, seven hundred sixty-six thousand, eight hundred fifty".