220771736 has 16 divisors (see below), whose sum is σ = 414556440. Its totient is φ = 110223360.

The previous prime is 220771729. The next prime is 220771763. The reversal of 220771736 is 637177022.

It is a junction number, because it is equal to n+sod(n) for n = 220771696 and 220771705.

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 3 ways as a sum of consecutive naturals, for example, 14441 + ... + 25496.

Almost surely, 2^220771736 is an apocalyptic number.

It is an amenable number.

220771736 is a deficient number, since it is larger than the sum of its proper divisors (193784704).

220771736 is a wasteful number, since it uses less digits than its factorization.

220771736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40634 (or 40630 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 220771736 is about 14858.3894147381. The cubic root of 220771736 is about 604.3861323485.

The spelling of 220771736 in words is "two hundred twenty million, seven hundred seventy-one thousand, seven hundred thirty-six".