20137626325 has 6 divisors (see below), whose sum is σ = 24970656674. Its totient is φ = 16110101040.

The previous prime is 20137626323. The next prime is 20137626343. The reversal of 20137626325 is 52362673102.

It can be written as a sum of positive squares in 3 ways, for example, as 301439044 + 19836187281 = 17362^2 + 140841^2 .

It is not a de Polignac number, because 20137626325 - 2¹ = 20137626323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20137626323) 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 5 ways as a sum of consecutive naturals, for example, 402752502 + ... + 402752551.

Almost surely, 2^20137626325 is an apocalyptic number.

20137626325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20137626325 is a deficient number, since it is larger than the sum of its proper divisors (4833030349).

20137626325 is an equidigital number, since it uses as much as digits as its factorization.

20137626325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805505063 (or 805505058 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 20137626325 in words is "twenty billion, one hundred thirty-seven million, six hundred twenty-six thousand, three hundred twenty-five".