220545704 has 16 divisors (see below), whose sum is σ = 413834400. Its totient is φ = 110189872.

The previous prime is 220545701. The next prime is 220545719. The reversal of 220545704 is 407545022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (220545701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1757 + ... + 21075.

It is an arithmetic number, because the mean of its divisors is an integer number (25864650).

Almost surely, 2^220545704 is an apocalyptic number.

It is an amenable number.

220545704 is a deficient number, since it is larger than the sum of its proper divisors (193288696).

220545704 is a wasteful number, since it uses less digits than its factorization.

220545704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20752 (or 20748 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 220545704 is about 14850.7812589103. The cubic root of 220545704 is about 604.1797996944.

The spelling of 220545704 in words is "two hundred twenty million, five hundred forty-five thousand, seven hundred four".