20379325 has 6 divisors (see below), whose sum is σ = 25270394. Its totient is φ = 16303440.

The previous prime is 20379319. The next prime is 20379349. The reversal of 20379325 is 52397302.

It can be written as a sum of positive squares in 3 ways, for example, as 3511876 + 16867449 = 1874^2 + 4107^2 .

It is a de Polignac number, because none of the positive numbers 2^k-20379325 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 (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 407562 + ... + 407611.

Almost surely, 2^20379325 is an apocalyptic number.

20379325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20379325 is a deficient number, since it is larger than the sum of its proper divisors (4891069).

20379325 is an equidigital number, since it uses as much as digits as its factorization.

20379325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815183 (or 815178 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 20379325 is about 4514.3465750870. The cubic root of 20379325 is about 273.1471028024.

The spelling of 20379325 in words is "twenty million, three hundred seventy-nine thousand, three hundred twenty-five".