20484023 has 8 divisors (see below), whose sum is σ = 23852448. Its totient is φ = 17226144.

The previous prime is 20484017. The next prime is 20484049. The reversal of 20484023 is 32048402.

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 20484023 - 2⁶ = 20483959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20484023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20484083) 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, 27236 + ... + 27977.

It is an arithmetic number, because the mean of its divisors is an integer number (2981556).

Almost surely, 2^20484023 is an apocalyptic number.

20484023 is a deficient number, since it is larger than the sum of its proper divisors (3368425).

20484023 is an equidigital number, since it uses as much as digits as its factorization.

20484023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55273.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 20484023 is about 4525.9278606712. The cubic root of 20484023 is about 273.6140649653.

The spelling of 20484023 in words is "twenty million, four hundred eighty-four thousand, twenty-three".