220221032010 has 128 divisors (see below), whose sum is σ = 625728775680. Its totient is φ = 48533216256.

The previous prime is 220221031999. The next prime is 220221032117. The reversal of 220221032010 is 10230122022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4439304 + ... + 4488636.

It is an arithmetic number, because the mean of its divisors is an integer number (4888506060).

Almost surely, 2^220221032010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220221032010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312864387840).

220221032010 is an abundant number, since it is smaller than the sum of its proper divisors (405507743670).

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

220221032010 is a wasteful number, since it uses less digits than its factorization.

220221032010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50112.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 220221032010 its reverse (10230122022), we get a palindrome (230451154032).

The spelling of 220221032010 in words is "two hundred twenty billion, two hundred twenty-one million, thirty-two thousand, ten".