220786468 has 24 divisors (see below), whose sum is σ = 442132992. Its totient is φ = 94502784.

The previous prime is 220786459. The next prime is 220786469. The reversal of 220786468 is 864687022.

220786468 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 (220786469) 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, 19596 + ... + 28732.

It is an arithmetic number, because the mean of its divisors is an integer number (18422208).

Almost surely, 2^220786468 is an apocalyptic number.

220786468 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

220786468 is an abundant number, since it is smaller than the sum of its proper divisors (221346524).

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

220786468 is a wasteful number, since it uses less digits than its factorization.

220786468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011 (or 10009 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 220786468 is about 14858.8851533350. The cubic root of 220786468 is about 604.3995755223.

The spelling of 220786468 in words is "two hundred twenty million, seven hundred eighty-six thousand, four hundred sixty-eight".