220651486 has 12 divisors (see below), whose sum is σ = 363801816. Its totient is φ = 100296020.

The previous prime is 220651439. The next prime is 220651499. The reversal of 220651486 is 684156022.

220651486 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 455650 + ... + 456133.

It is an arithmetic number, because the mean of its divisors is an integer number (30316818).

Almost surely, 2^220651486 is an apocalyptic number.

220651486 is a deficient number, since it is larger than the sum of its proper divisors (143150330).

220651486 is a wasteful number, since it uses less digits than its factorization.

220651486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911807 (or 911796 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 220651486 is about 14854.3423280871. The cubic root of 220651486 is about 604.2763800268.

The spelling of 220651486 in words is "two hundred twenty million, six hundred fifty-one thousand, four hundred eighty-six".