220305376 has 48 divisors (see below), whose sum is σ = 441262080. Its totient is φ = 108259200.

The previous prime is 220305359. The next prime is 220305389. The reversal of 220305376 is 673503022.

It is a congruent number.

It is an unprimeable number.

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, 613485 + ... + 613843.

It is an arithmetic number, because the mean of its divisors is an integer number (9192960).

Almost surely, 2^220305376 is an apocalyptic number.

It is an amenable number.

220305376 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

220305376 is a wasteful number, since it uses less digits than its factorization.

220305376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 220305376 is about 14842.6876272459. The cubic root of 220305376 is about 603.9602622863.

Adding to 220305376 its reverse (673503022), we get a palindrome (893808398).

The spelling of 220305376 in words is "two hundred twenty million, three hundred five thousand, three hundred seventy-six".