220004591788 has 6 divisors (see below), whose sum is σ = 385008035636. Its totient is φ = 110002295892.

The previous prime is 220004591771. The next prime is 220004591789. The reversal of 220004591788 is 887195400022.

220004591788 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 (220004591789) 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 as a sum of consecutive naturals, namely, 27500573970 + ... + 27500573977.

Almost surely, 2^220004591788 is an apocalyptic number.

It is an amenable number.

220004591788 is a deficient number, since it is larger than the sum of its proper divisors (165003443848).

220004591788 is a wasteful number, since it uses less digits than its factorization.

220004591788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55001147951 (or 55001147949 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 220004591788 in words is "two hundred twenty billion, four million, five hundred ninety-one thousand, seven hundred eighty-eight".