220385797472 has 48 divisors (see below), whose sum is σ = 447215951952. Its totient is φ = 106844559360.

The previous prime is 220385797459. The next prime is 220385797477. The reversal of 220385797472 is 274797583022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220385797477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396029 + ... + 773052.

It is an arithmetic number, because the mean of its divisors is an integer number (9316998999).

Almost surely, 2^220385797472 is an apocalyptic number.

It is an amenable number.

220385797472 is an abundant number, since it is smaller than the sum of its proper divisors (226830154480).

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

220385797472 is a wasteful number, since it uses less digits than its factorization.

220385797472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169271 (or 1169263 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 220385797472 in words is "two hundred twenty billion, three hundred eighty-five million, seven hundred ninety-seven thousand, four hundred seventy-two".