220013530 has 32 divisors (see below), whose sum is σ = 435456000. Its totient is φ = 79369920.

The previous prime is 220013527. The next prime is 220013531. The reversal of 220013530 is 35310022.

220013530 is a modest number, since divided by 13530 gives 2200 as remainder.

It is not an unprimeable number, because it can be changed into a prime (220013531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6096 + ... + 21844.

It is an arithmetic number, because the mean of its divisors is an integer number (13608000).

Almost surely, 2^220013530 is an apocalyptic number.

220013530 is a deficient number, since it is larger than the sum of its proper divisors (215442470).

220013530 is a wasteful number, since it uses less digits than its factorization.

220013530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15894.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 220013530 is about 14832.8530633860. The cubic root of 220013530 is about 603.6934488881.

Adding to 220013530 its reverse (35310022), we get a palindrome (255323552).

The spelling of 220013530 in words is "two hundred twenty million, thirteen thousand, five hundred thirty".