20323055 has 8 divisors (see below), whose sum is σ = 25228800. Its totient is φ = 15697696.

The previous prime is 20323049. The next prime is 20323057. The reversal of 20323055 is 55032302.

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

It is a cyclic number.

It is not a de Polignac number, because 20323055 - 2¹⁶ = 20257519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69935 + ... + 70224.

It is an arithmetic number, because the mean of its divisors is an integer number (3153600).

Almost surely, 2^20323055 is an apocalyptic number.

20323055 is a deficient number, since it is larger than the sum of its proper divisors (4905745).

20323055 is a wasteful number, since it uses less digits than its factorization.

20323055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140193.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 20323055 is about 4508.1099143654. The cubic root of 20323055 is about 272.8954726920.

Adding to 20323055 its reverse (55032302), we get a palindrome (75355357).

The spelling of 20323055 in words is "twenty million, three hundred twenty-three thousand, fifty-five".