220465264338 has 54 divisors (see below), whose sum is σ = 525099632421. Its totient is φ = 66801015600.

The previous prime is 220465264333. The next prime is 220465264339. The reversal of 220465264338 is 833462564022.

220465264338 is a `hidden beast` number, since 2 + 204 + 6 + 5 + 2 + 6 + 433 + 8 = 666.

220465264338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 219307699809 + 1157564529 = 468303^2 + 34023^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=332013.

It is a junction number, because it is equal to n+sod(n) for n = 220465264293 and 220465264302.

It is not an unprimeable number, because it can be changed into a prime (220465264333) 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 in 26 ways as a sum of consecutive naturals, for example, 21907828 + ... + 21917888.

Almost surely, 2^220465264338 is an apocalyptic number.

220465264338 is an abundant number, since it is smaller than the sum of its proper divisors (304634368083).

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

220465264338 is an equidigital number, since it uses as much as digits as its factorization.

220465264338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20152 (or 10077 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

The spelling of 220465264338 in words is "two hundred twenty billion, four hundred sixty-five million, two hundred sixty-four thousand, three hundred thirty-eight".