220717652 has 12 divisors (see below), whose sum is σ = 393544116. Its totient is φ = 108276480.

The previous prime is 220717649. The next prime is 220717657. The reversal of 220717652 is 256717022.

220717652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 87684496 + 133033156 = 9364^2 + 11534^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220717657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520349 + ... + 520772.

It is an arithmetic number, because the mean of its divisors is an integer number (32795343).

Almost surely, 2^220717652 is an apocalyptic number.

It is an amenable number.

220717652 is a deficient number, since it is larger than the sum of its proper divisors (172826464).

220717652 is a wasteful number, since it uses less digits than its factorization.

220717652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041178 (or 1041176 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 220717652 is about 14856.5693213474. The cubic root of 220717652 is about 604.3367747483.

The spelling of 220717652 in words is "two hundred twenty million, seven hundred seventeen thousand, six hundred fifty-two".