245030221540420 has 24 divisors (see below), whose sum is σ = 523284879902400. Its totient is φ = 96350866774752.

The previous prime is 245030221540331. The next prime is 245030221540427. The reversal of 245030221540420 is 24045122030542.

It is not an unprimeable number, because it can be changed into a prime (245030221540427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103826363880 + ... + 103826366239.

It is an arithmetic number, because the mean of its divisors is an integer number (21803536662600).

Almost surely, 2^{245030221540420} is an apocalyptic number.

245030221540420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245030221540420 is an abundant number, since it is smaller than the sum of its proper divisors (278254658361980).

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

245030221540420 is a wasteful number, since it uses less digits than its factorization.

245030221540420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207652730187 (or 207652730185 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 245030221540420 its reverse (24045122030542), we get a palindrome (269075343570962).

The spelling of 245030221540420 in words is "two hundred forty-five trillion, thirty billion, two hundred twenty-one million, five hundred forty thousand, four hundred twenty".