20696246 has 8 divisors (see below), whose sum is σ = 31883520. Its totient is φ = 10068408.

The previous prime is 20696243. The next prime is 20696257. The reversal of 20696246 is 64269602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20696243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139766 + ... + 139913.

It is an arithmetic number, because the mean of its divisors is an integer number (3985440).

Almost surely, 2^20696246 is an apocalyptic number.

20696246 is a deficient number, since it is larger than the sum of its proper divisors (11187274).

20696246 is a wasteful number, since it uses less digits than its factorization.

20696246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279718.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 20696246 is about 4549.3126953420. The cubic root of 20696246 is about 274.5557388832. Note that the first 3 decimals are identical.

The spelling of 20696246 in words is "twenty million, six hundred ninety-six thousand, two hundred forty-six".