220723032000 has 224 divisors, whose sum is σ = 729850305600. Its totient is φ = 58776883200.

The previous prime is 220723031999. The next prime is 220723032007. The reversal of 220723032000 is 230327022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220723032007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18161926 + ... + 18174074.

Almost surely, 2^220723032000 is an apocalyptic number.

220723032000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220723032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364925152800).

220723032000 is an abundant number, since it is smaller than the sum of its proper divisors (509127273600).

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

220723032000 is a wasteful number, since it uses less digits than its factorization.

220723032000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12936 (or 12916 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

Adding to 220723032000 its reverse (230327022), we get a palindrome (220953359022).

The spelling of 220723032000 in words is "two hundred twenty billion, seven hundred twenty-three million, thirty-two thousand".