220096987 has 4 divisors (see below), whose sum is σ = 240105816. Its totient is φ = 200088160.

The previous prime is 220096973. The next prime is 220096991. The reversal of 220096987 is 789690022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220096987 - 2⁷ = 220096859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220096087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10004398 + ... + 10004419.

It is an arithmetic number, because the mean of its divisors is an integer number (60026454).

Almost surely, 2^220096987 is an apocalyptic number.

220096987 is a deficient number, since it is larger than the sum of its proper divisors (20008829).

220096987 is a wasteful number, since it uses less digits than its factorization.

220096987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20008828.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 220096987 is about 14835.6660450416. Note that the first 3 decimals coincide. The cubic root of 220096987 is about 603.7697715807.

The spelling of 220096987 in words is "two hundred twenty million, ninety-six thousand, nine hundred eighty-seven".