245520302320 has 20 divisors (see below), whose sum is σ = 570834703080. Its totient is φ = 98208120896.

The previous prime is 245520302297. The next prime is 245520302323. The reversal of 245520302320 is 23203025542.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245520302323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1534501810 + ... + 1534501969.

It is an arithmetic number, because the mean of its divisors is an integer number (28541735154).

Almost surely, 2^245520302320 is an apocalyptic number.

245520302320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245520302320 is an abundant number, since it is smaller than the sum of its proper divisors (325314400760).

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

245520302320 is a wasteful number, since it uses less digits than its factorization.

245520302320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069003792 (or 3069003786 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 245520302320 its reverse (23203025542), we get a palindrome (268723327862).

The spelling of 245520302320 in words is "two hundred forty-five billion, five hundred twenty million, three hundred two thousand, three hundred twenty".