220722589543680 has 3456 divisors, whose sum is σ = 956997044011008. Its totient is φ = 47662826029056.

The previous prime is 220722589543679. The next prime is 220722589543691. The reversal of 220722589543680 is 86345985227022.

220722589543680 is a `hidden beast` number, since 2 + 2 + 0 + 7 + 2 + 2 + 5 + 8 + 9 + 543 + 6 + 80 = 666.

220722589543680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (3456).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 453229136397 + ... + 453229136883.

Almost surely, 2^{220722589543680} is an apocalyptic number.

220722589543680 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 220722589543680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478498522005504).

220722589543680 is an abundant number, since it is smaller than the sum of its proper divisors (736274454467328).

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

220722589543680 is a wasteful number, since it uses less digits than its factorization.

220722589543680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 63.

The spelling of 220722589543680 in words is "two hundred twenty trillion, seven hundred twenty-two billion, five hundred eighty-nine million, five hundred forty-three thousand, six hundred eighty".