20364352325 has 12 divisors (see below), whose sum is σ = 25350060900. Its totient is φ = 16228085760.

The previous prime is 20364352297. The next prime is 20364352331. The reversal of 20364352325 is 52325346302.

It can be written as a sum of positive squares in 6 ways, for example, as 206116 + 20364146209 = 454^2 + 142703^2 .

It is a de Polignac number, because none of the positive numbers 2^k-20364352325 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1578350 + ... + 1591199.

It is an arithmetic number, because the mean of its divisors is an integer number (2112505075).

Almost surely, 2^20364352325 is an apocalyptic number.

20364352325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20364352325 is a deficient number, since it is larger than the sum of its proper divisors (4985708575).

20364352325 is a wasteful number, since it uses less digits than its factorization.

20364352325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169816 (or 3169811 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 20364352325 its reverse (52325346302), we get a palindrome (72689698627).

The spelling of 20364352325 in words is "twenty billion, three hundred sixty-four million, three hundred fifty-two thousand, three hundred twenty-five".