245541550220 has 24 divisors (see below), whose sum is σ = 515686995600. Its totient is φ = 98207145792.

The previous prime is 245541550211. The next prime is 245541550237. The reversal of 245541550220 is 22055145542.

245541550220 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, 377735 + ... + 796094.

It is an arithmetic number, because the mean of its divisors is an integer number (21486958150).

Almost surely, 2^245541550220 is an apocalyptic number.

245541550220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245541550220 is an abundant number, since it is smaller than the sum of its proper divisors (270145445380).

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

245541550220 is a wasteful number, since it uses less digits than its factorization.

245541550220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184297 (or 1184295 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

Adding to 245541550220 its reverse (22055145542), we get a palindrome (267596695762).

The spelling of 245541550220 in words is "two hundred forty-five billion, five hundred forty-one million, five hundred fifty thousand, two hundred twenty".