20313320325 has 12 divisors (see below), whose sum is σ = 33584689728. Its totient is φ = 10833770800.

The previous prime is 20313320303. The next prime is 20313320327. The reversal of 20313320325 is 52302331302.

It is not a de Polignac number, because 20313320325 - 2¹⁵ = 20313287557 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20313320295 and 20313320304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313320327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135422061 + ... + 135422210.

It is an arithmetic number, because the mean of its divisors is an integer number (2798724144).

Almost surely, 2^20313320325 is an apocalyptic number.

20313320325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20313320325 is a deficient number, since it is larger than the sum of its proper divisors (13271369403).

20313320325 is a wasteful number, since it uses less digits than its factorization.

20313320325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270844284 (or 270844279 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

Adding to 20313320325 its reverse (52302331302), we get a palindrome (72615651627).

The spelling of 20313320325 in words is "twenty billion, three hundred thirteen million, three hundred twenty thousand, three hundred twenty-five".