220040447360 has 32 divisors (see below), whose sum is σ = 526034196000. Its totient is φ = 88016178688.

The previous prime is 220040447281. The next prime is 220040447377. The reversal of 220040447360 is 63744040022.

220040447360 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 (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171905960 + ... + 171907239.

It is an arithmetic number, because the mean of its divisors is an integer number (16438568625).

Almost surely, 2^220040447360 is an apocalyptic number.

220040447360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220040447360 is an abundant number, since it is smaller than the sum of its proper divisors (305993748640).

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

220040447360 is an equidigital number, since it uses as much as digits as its factorization.

220040447360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343813218 (or 343813206 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

Adding to 220040447360 its reverse (63744040022), we get a palindrome (283784487382).

The spelling of 220040447360 in words is "two hundred twenty billion, forty million, four hundred forty-seven thousand, three hundred sixty".