220220512 has 48 divisors (see below), whose sum is σ = 452656512. Its totient is φ = 105364480.

The previous prime is 220220477. The next prime is 220220551. The reversal of 220220512 is 215022022.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67953 + ... + 71119.

It is an arithmetic number, because the mean of its divisors is an integer number (9430344).

Almost surely, 2^220220512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220220512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226328256).

220220512 is an abundant number, since it is smaller than the sum of its proper divisors (232436000).

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

220220512 is a wasteful number, since it uses less digits than its factorization.

220220512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271 (or 3263 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 220220512 is about 14839.8285704384. The cubic root of 220220512 is about 603.8827016637.

Adding to 220220512 its reverse (215022022), we get a palindrome (435242534).

The spelling of 220220512 in words is "two hundred twenty million, two hundred twenty thousand, five hundred twelve".