220791060 has 108 divisors (see below), whose sum is σ = 779108148. Its totient is φ = 50464512.

The previous prime is 220791059. The next prime is 220791071. The reversal of 220791060 is 60197022.

It can be written as a sum of positive squares in 2 ways, for example, as 46867716 + 173923344 = 6846^2 + 13188^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3697 + ... + 21336.

Almost surely, 2^220791060 is an apocalyptic number.

220791060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220791060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389554074).

220791060 is an abundant number, since it is smaller than the sum of its proper divisors (558317088).

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

220791060 is a wasteful number, since it uses less digits than its factorization.

220791060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25062 (or 25050 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 220791060 is about 14859.0396728725. The cubic root of 220791060 is about 604.4037656698.

The spelling of 220791060 in words is "two hundred twenty million, seven hundred ninety-one thousand, sixty".