220087 has 8 divisors (see below), whose sum is σ = 262656. Its totient is φ = 180312.

The previous prime is 220063. The next prime is 220123. The reversal of 220087 is 780022.

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 220087 - 2⁷ = 219959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220057) 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, 523 + ... + 844.

It is an arithmetic number, because the mean of its divisors is an integer number (32832).

2²²⁰⁰⁸⁷ is an apocalyptic number.

220087 is a deficient number, since it is larger than the sum of its proper divisors (42569).

220087 is a wasteful number, since it uses less digits than its factorization.

220087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 220087 is about 469.1343091269. The cubic root of 220087 is about 60.3760639334.

The spelling of 220087 in words is "two hundred twenty thousand, eighty-seven".