20154302325 has 18 divisors (see below), whose sum is σ = 36098595234. Its totient is φ = 10748961120.

The previous prime is 20154302219. The next prime is 20154302327. The reversal of 20154302325 is 52320345102.

It is a happy number.

20154302325 is a `hidden beast` number, since 20 + 15 + 4 + 302 + 325 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 350213796 + 19804088529 = 18714^2 + 140727^2 .

It is not a de Polignac number, because 20154302325 - 2¹¹ = 20154300277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20154302327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44787114 + ... + 44787563.

It is an arithmetic number, because the mean of its divisors is an integer number (2005477513).

Almost surely, 2^20154302325 is an apocalyptic number.

20154302325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20154302325 is a deficient number, since it is larger than the sum of its proper divisors (15944292909).

20154302325 is a wasteful number, since it uses less digits than its factorization.

20154302325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89574693 (or 89574685 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 20154302325 its reverse (52320345102), we get a palindrome (72474647427).

The spelling of 20154302325 in words is "twenty billion, one hundred fifty-four million, three hundred two thousand, three hundred twenty-five".