20308105325 has 24 divisors (see below), whose sum is σ = 25625621760. Its totient is φ = 15960672000.

The previous prime is 20308105291. The next prime is 20308105333. The reversal of 20308105325 is 52350180302.

It is not a de Polignac number, because 20308105325 - 2¹⁰ = 20308104301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2874197 + ... + 2881253.

It is an arithmetic number, because the mean of its divisors is an integer number (1067734240).

Almost surely, 2^20308105325 is an apocalyptic number.

20308105325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20308105325 is a deficient number, since it is larger than the sum of its proper divisors (5317516435).

20308105325 is a wasteful number, since it uses less digits than its factorization.

20308105325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9077 (or 9072 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 20308105325 its reverse (52350180302), we get a palindrome (72658285627).

The spelling of 20308105325 in words is "twenty billion, three hundred eight million, one hundred five thousand, three hundred twenty-five".