220865507130 has 128 divisors (see below), whose sum is σ = 554699923200. Its totient is φ = 56211369984.

The previous prime is 220865507069. The next prime is 220865507131. The reversal of 220865507130 is 31705568022.

It is not an unprimeable number, because it can be changed into a prime (220865507131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39026241 + ... + 39031899.

It is an arithmetic number, because the mean of its divisors is an integer number (4333593150).

Almost surely, 2^220865507130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220865507130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277349961600).

220865507130 is an abundant number, since it is smaller than the sum of its proper divisors (333834416070).

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

220865507130 is a wasteful number, since it uses less digits than its factorization.

220865507130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6208.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 220865507130 in words is "two hundred twenty billion, eight hundred sixty-five million, five hundred seven thousand, one hundred thirty".