220212304 has 80 divisors (see below), whose sum is σ = 483969024. Its totient is φ = 96307200.

The previous prime is 220212301. The next prime is 220212323. The reversal of 220212304 is 403212022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913624 + ... + 913864.

Almost surely, 2^220212304 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 220212304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241984512).

220212304 is an abundant number, since it is smaller than the sum of its proper divisors (263756720).

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

220212304 is a wasteful number, since it uses less digits than its factorization.

220212304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 220212304 is about 14839.5520148015. The cubic root of 220212304 is about 603.8751989857.

Adding to 220212304 its reverse (403212022), we get a palindrome (623424326).

The spelling of 220212304 in words is "two hundred twenty million, two hundred twelve thousand, three hundred four".