20456093 has 8 divisors (see below), whose sum is σ = 23421120. Its totient is φ = 17501760.

The previous prime is 20456087. The next prime is 20456113. The reversal of 20456093 is 39065402.

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 20456093 - 2¹⁸ = 20193949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20456053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1973 + ... + 6693.

It is an arithmetic number, because the mean of its divisors is an integer number (2927640).

Almost surely, 2^20456093 is an apocalyptic number.

It is an amenable number.

20456093 is a deficient number, since it is larger than the sum of its proper divisors (2965027).

20456093 is an equidigital number, since it uses as much as digits as its factorization.

20456093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5347.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 20456093 is about 4522.8412530178. The cubic root of 20456093 is about 273.4896506550.

The spelling of 20456093 in words is "twenty million, four hundred fifty-six thousand, ninety-three".