220093887 has 16 divisors (see below), whose sum is σ = 317868768. Its totient is φ = 134655360.

The previous prime is 220093879. The next prime is 220093901. The reversal of 220093887 is 788390022.

It is not a de Polignac number, because 220093887 - 2³ = 220093879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220093807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9564 + ... + 23057.

It is an arithmetic number, because the mean of its divisors is an integer number (19866798).

Almost surely, 2^220093887 is an apocalyptic number.

220093887 is a deficient number, since it is larger than the sum of its proper divisors (97774881).

220093887 is a wasteful number, since it uses less digits than its factorization.

220093887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32810.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 220093887 is about 14835.5615667220. The cubic root of 220093887 is about 603.7669369287.

The spelling of 220093887 in words is "two hundred twenty million, ninety-three thousand, eight hundred eighty-seven".