220295306450 has 18 divisors (see below), whose sum is σ = 409755443151. Its totient is φ = 88116795040.

The previous prime is 220295306443. The next prime is 220295306459. The reversal of 220295306450 is 54603592022.

It can be written as a sum of positive squares in 5 ways, for example, as 191858892289 + 28436414161 = 438017^2 + 168631^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=331885.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220295306459) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3285662 + ... + 3352038.

Almost surely, 2^220295306450 is an apocalyptic number.

220295306450 is a deficient number, since it is larger than the sum of its proper divisors (189460136701).

220295306450 is an frugal number, since it uses more digits than its factorization.

220295306450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132766 (or 66384 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 220295306450 its reverse (54603592022), we get a palindrome (274898898472).

The spelling of 220295306450 in words is "two hundred twenty billion, two hundred ninety-five million, three hundred six thousand, four hundred fifty".