220573623072 has 96 divisors (see below), whose sum is σ = 631962825984. Its totient is φ = 66806611200.

The previous prime is 220573623071. The next prime is 220573623079. The reversal of 220573623072 is 270326375022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 220573623072.

It is not an unprimeable number, because it can be changed into a prime (220573623071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2071683 + ... + 2175549.

It is an arithmetic number, because the mean of its divisors is an integer number (6582946104).

Almost surely, 2^220573623072 is an apocalyptic number.

220573623072 is a gapful number since it is divisible by the number (22) 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 220573623072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315981412992).

220573623072 is an abundant number, since it is smaller than the sum of its proper divisors (411389202912).

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

220573623072 is a wasteful number, since it uses less digits than its factorization.

220573623072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105902 (or 105894 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 39.

Adding to 220573623072 its reverse (270326375022), we get a palindrome (490899998094).

The spelling of 220573623072 in words is "two hundred twenty billion, five hundred seventy-three million, six hundred twenty-three thousand, seventy-two".