20155326 has 8 divisors (see below), whose sum is σ = 40310664. Its totient is φ = 6718440.

The previous prime is 20155321. The next prime is 20155327. The reversal of 20155326 is 62355102.

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

20155326 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 20155296 and 20155305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20155321) 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, 1679605 + ... + 1679616.

It is an arithmetic number, because the mean of its divisors is an integer number (5038833).

Almost surely, 2^20155326 is an apocalyptic number.

20155326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20155326 is a wasteful number, since it uses less digits than its factorization.

20155326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359226.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 20155326 is about 4489.4683426883. The cubic root of 20155326 is about 272.1426497277.

The spelling of 20155326 in words is "twenty million, one hundred fifty-five thousand, three hundred twenty-six".