220013221232 has 40 divisors (see below), whose sum is σ = 495429302400. Its totient is φ = 92693218752.

The previous prime is 220013221193. The next prime is 220013221301. The reversal of 220013221232 is 232122310022.

It is a happy number.

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, 16640882 + ... + 16654097.

It is an arithmetic number, because the mean of its divisors is an integer number (12385732560).

Almost surely, 2^220013221232 is an apocalyptic number.

It is an amenable number.

220013221232 is an abundant number, since it is smaller than the sum of its proper divisors (275416081168).

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

220013221232 is a wasteful number, since it uses less digits than its factorization.

220013221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33295053 (or 33295047 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 220013221232 its reverse (232122310022), we get a palindrome (452135531254).

The spelling of 220013221232 in words is "two hundred twenty billion, thirteen million, two hundred twenty-one thousand, two hundred thirty-two".