220722796460 has 24 divisors (see below), whose sum is σ = 463624635600. Its totient is φ = 88268782784.

The previous prime is 220722796409. The next prime is 220722796543. The reversal of 220722796460 is 64697227022.

220722796460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 1181834 + ... + 1355793.

It is an arithmetic number, because the mean of its divisors is an integer number (19317693150).

Almost surely, 2^220722796460 is an apocalyptic number.

220722796460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220722796460 is an abundant number, since it is smaller than the sum of its proper divisors (242901839140).

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

220722796460 is a wasteful number, since it uses less digits than its factorization.

220722796460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541985 (or 2541983 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 220722796460 in words is "two hundred twenty billion, seven hundred twenty-two million, seven hundred ninety-six thousand, four hundred sixty".