220332012 has 24 divisors (see below), whose sum is σ = 514352496. Its totient is φ = 73409088.

The previous prime is 220331989. The next prime is 220332017. The reversal of 220332012 is 210233022.

It is a junction number, because it is equal to n+sod(n) for n = 220331982 and 220332000.

It is not an unprimeable number, because it can be changed into a prime (220332017) 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, 39798 + ... + 44994.

It is an arithmetic number, because the mean of its divisors is an integer number (21431354).

Almost surely, 2^220332012 is an apocalyptic number.

It is an amenable number.

220332012 is an abundant number, since it is smaller than the sum of its proper divisors (294020484).

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

220332012 is a wasteful number, since it uses less digits than its factorization.

220332012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8737 (or 8735 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 220332012 is about 14843.5848769763. The cubic root of 220332012 is about 603.9846018910.

Adding to 220332012 its reverse (210233022), we get a palindrome (430565034).

The spelling of 220332012 in words is "two hundred twenty million, three hundred thirty-two thousand, twelve".