220896646 has 12 divisors (see below), whose sum is σ = 346379292. Its totient is φ = 105645716.

The previous prime is 220896619. The next prime is 220896653. The reversal of 220896646 is 646698022.

220896646 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103336 + ... + 105451.

It is an arithmetic number, because the mean of its divisors is an integer number (28864941).

Almost surely, 2^220896646 is an apocalyptic number.

220896646 is a deficient number, since it is larger than the sum of its proper divisors (125482646).

220896646 is a wasteful number, since it uses less digits than its factorization.

220896646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208835 (or 208812 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 220896646 is about 14862.5921696049. The cubic root of 220896646 is about 604.5000956661.

The spelling of 220896646 in words is "two hundred twenty million, eight hundred ninety-six thousand, six hundred forty-six".