20696325 has 24 divisors (see below), whose sum is σ = 36851808. Its totient is φ = 10188480.

The previous prime is 20696321. The next prime is 20696329. The reversal of 20696325 is 52369602.

It is an interprime number because it is at equal distance from previous prime (20696321) and next prime (20696329).

It is not a de Polignac number, because 20696325 - 2² = 20696321 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20696321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9639 + ... + 11588.

It is an arithmetic number, because the mean of its divisors is an integer number (1535492).

Almost surely, 2^20696325 is an apocalyptic number.

20696325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20696325 is a deficient number, since it is larger than the sum of its proper divisors (16155483).

20696325 is a wasteful number, since it uses less digits than its factorization.

20696325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21253 (or 21248 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 20696325 is about 4549.3213779640. The cubic root of 20696325 is about 274.5560882199.

The spelling of 20696325 in words is "twenty million, six hundred ninety-six thousand, three hundred twenty-five".