220336887 has 8 divisors (see below), whose sum is σ = 301722736. Its totient is φ = 142921152.

The previous prime is 220336811. The next prime is 220336931. The reversal of 220336887 is 788633022.

It is a happy number.

220336887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 220336887 - 2¹¹ = 220334839 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 (220336807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992398 + ... + 992619.

It is an arithmetic number, because the mean of its divisors is an integer number (37715342).

Almost surely, 2^220336887 is an apocalyptic number.

220336887 is a deficient number, since it is larger than the sum of its proper divisors (81385849).

220336887 is a wasteful number, since it uses less digits than its factorization.

220336887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985057.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 220336887 is about 14843.7490884210. The cubic root of 220336887 is about 603.9890563855.

It can be divided in two parts, 22033 and 6887, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 220336887 in words is "two hundred twenty million, three hundred thirty-six thousand, eight hundred eighty-seven".