220745776 has 10 divisors (see below), whose sum is σ = 427694972. Its totient is φ = 110372880.

The previous prime is 220745773. The next prime is 220745797. The reversal of 220745776 is 677547022.

It is not an unprimeable number, because it can be changed into a prime (220745773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6898290 + ... + 6898321.

Almost surely, 2^220745776 is an apocalyptic number.

It is an amenable number.

220745776 is a deficient number, since it is larger than the sum of its proper divisors (206949196).

220745776 is a wasteful number, since it uses less digits than its factorization.

220745776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13796619 (or 13796613 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 40.

The square root of 220745776 is about 14857.5158085058. The cubic root of 220745776 is about 604.3624419986.

The spelling of 220745776 in words is "two hundred twenty million, seven hundred forty-five thousand, seven hundred seventy-six".