220010221312 has 72 divisors (see below), whose sum is σ = 502156118912. Its totient is φ = 94241664000.

The previous prime is 220010221271. The next prime is 220010221313. The reversal of 220010221312 is 213122010022.

It is a happy number.

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 (220010221313) 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, 3573187 + ... + 3634237.

Almost surely, 2^220010221312 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 220010221312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251078059456).

220010221312 is an abundant number, since it is smaller than the sum of its proper divisors (282145897600).

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

220010221312 is an equidigital number, since it uses as much as digits as its factorization.

220010221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63085 (or 63071 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 220010221312 its reverse (213122010022), we get a palindrome (433132231334).

The spelling of 220010221312 in words is "two hundred twenty billion, ten million, two hundred twenty-one thousand, three hundred twelve".