220550537 has 8 divisors (see below), whose sum is σ = 245815200. Its totient is φ = 196651584.

The previous prime is 220550507. The next prime is 220550609. The reversal of 220550537 is 735055022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220550537 - 2¹⁰ = 220549513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220550507) 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, 341087 + ... + 341732.

It is an arithmetic number, because the mean of its divisors is an integer number (30726900).

Almost surely, 2^220550537 is an apocalyptic number.

It is an amenable number.

220550537 is a deficient number, since it is larger than the sum of its proper divisors (25264663).

220550537 is a wasteful number, since it uses less digits than its factorization.

220550537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682855.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 220550537 is about 14850.9439767309. The cubic root of 220550537 is about 604.1842129590.

The spelling of 220550537 in words is "two hundred twenty million, five hundred fifty thousand, five hundred thirty-seven".