220512960 has 168 divisors, whose sum is σ = 791687520. Its totient is φ = 56229888.

The previous prime is 220512947. The next prime is 220512977. The reversal of 220512960 is 69215022.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64576 + ... + 67904.

Almost surely, 2^220512960 is an apocalyptic number.

220512960 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 220512960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395843760).

220512960 is an abundant number, since it is smaller than the sum of its proper divisors (571174560).

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

220512960 is a wasteful number, since it uses less digits than its factorization.

220512960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375 (or 3362 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 220512960 is about 14849.6787844047. The cubic root of 220512960 is about 604.1498977404.

Adding to 220512960 its reverse (69215022), we get a palindrome (289727982).

The spelling of 220512960 in words is "two hundred twenty million, five hundred twelve thousand, nine hundred sixty".