220064260 has 24 divisors (see below), whose sum is σ = 497684376. Its totient is φ = 81254400.

The previous prime is 220064249. The next prime is 220064263. The reversal of 220064260 is 62460022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53963716 + 166100544 = 7346^2 + 12888^2 .

It is not an unprimeable number, because it can be changed into a prime (220064263) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 422941 + ... + 423460.

It is an arithmetic number, because the mean of its divisors is an integer number (20736849).

Almost surely, 2^220064260 is an apocalyptic number.

220064260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220064260 is an abundant number, since it is smaller than the sum of its proper divisors (277620116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220064260 is a wasteful number, since it uses less digits than its factorization.

220064260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846423 (or 846421 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 220064260 is about 14834.5630201904. The cubic root of 220064260 is about 603.7398445425.

The spelling of 220064260 in words is "two hundred twenty million, sixty-four thousand, two hundred sixty".