245012220353220 has 24 divisors (see below), whose sum is σ = 686034216989184. Its totient is φ = 65336592094176.

The previous prime is 245012220353129. The next prime is 245012220353231. The reversal of 245012220353220 is 22353022210542.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2041768502884 + ... + 2041768503003.

It is an arithmetic number, because the mean of its divisors is an integer number (28584759041216).

Almost surely, 2^{245012220353220} is an apocalyptic number.

245012220353220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245012220353220 is an abundant number, since it is smaller than the sum of its proper divisors (441021996635964).

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

245012220353220 is a wasteful number, since it uses less digits than its factorization.

245012220353220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083537005899 (or 4083537005897 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 245012220353220 its reverse (22353022210542), we get a palindrome (267365242563762).

The spelling of 245012220353220 in words is "two hundred forty-five trillion, twelve billion, two hundred twenty million, three hundred fifty-three thousand, two hundred twenty".