220104512 has 56 divisors (see below), whose sum is σ = 462015840. Its totient is φ = 103749120.

The previous prime is 220104449. The next prime is 220104517. The reversal of 220104512 is 215401022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220104517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385187 + ... + 385757.

Almost surely, 2^220104512 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 220104512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231007920).

220104512 is an abundant number, since it is smaller than the sum of its proper divisors (241911328).

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

220104512 is a wasteful number, since it uses less digits than its factorization.

220104512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 220104512 is about 14835.9196546759. The cubic root of 220104512 is about 603.7766523590.

Adding to 220104512 its reverse (215401022), we get a palindrome (435505534).

The spelling of 220104512 in words is "two hundred twenty million, one hundred four thousand, five hundred twelve".