20949326 has 8 divisors (see below), whose sum is σ = 32273400. Its totient is φ = 10191528.

The previous prime is 20949323. The next prime is 20949329. The reversal of 20949326 is 62394902.

It is an interprime number because it is at equal distance from previous prime (20949323) and next prime (20949329).

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20949323) 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, 141476 + ... + 141623.

It is an arithmetic number, because the mean of its divisors is an integer number (4034175).

Almost surely, 2^20949326 is an apocalyptic number.

20949326 is a deficient number, since it is larger than the sum of its proper divisors (11324074).

20949326 is a wasteful number, since it uses less digits than its factorization.

20949326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283138.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 20949326 is about 4577.0433688135. The cubic root of 20949326 is about 275.6703250550.

The spelling of 20949326 in words is "twenty million, nine hundred forty-nine thousand, three hundred twenty-six".