20354415325 has 6 divisors (see below), whose sum is σ = 25239475034. Its totient is φ = 16283532240.

The previous prime is 20354415287. The next prime is 20354415331. The reversal of 20354415325 is 52351445302.

It can be written as a sum of positive squares in 3 ways, for example, as 6904446649 + 13449968676 = 83093^2 + 115974^2 .

It is not a de Polignac number, because 20354415325 - 2⁹ = 20354414813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 407088282 + ... + 407088331.

Almost surely, 2^20354415325 is an apocalyptic number.

20354415325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20354415325 is a deficient number, since it is larger than the sum of its proper divisors (4885059709).

20354415325 is an equidigital number, since it uses as much as digits as its factorization.

20354415325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814176623 (or 814176618 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 20354415325 in words is "twenty billion, three hundred fifty-four million, four hundred fifteen thousand, three hundred twenty-five".