220387116 has 24 divisors (see below), whose sum is σ = 544486320. Its totient is φ = 69140992.

The previous prime is 220387093. The next prime is 220387117. The reversal of 220387116 is 611783022.

220387116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220387117) 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, 539961 + ... + 540368.

It is an arithmetic number, because the mean of its divisors is an integer number (22686930).

Almost surely, 2^220387116 is an apocalyptic number.

It is an amenable number.

220387116 is an abundant number, since it is smaller than the sum of its proper divisors (324099204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220387116 is a wasteful number, since it uses less digits than its factorization.

220387116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080353 (or 1080351 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 220387116 is about 14845.4409163218. The cubic root of 220387116 is about 604.0349489302.

The spelling of 220387116 in words is "two hundred twenty million, three hundred eighty-seven thousand, one hundred sixteen".