20093558 has 8 divisors (see below), whose sum is σ = 31913352. Its totient is φ = 9455776.

The previous prime is 20093551. The next prime is 20093561. The reversal of 20093558 is 85539002.

It is a happy number.

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 (20093551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295460 + ... + 295527.

It is an arithmetic number, because the mean of its divisors is an integer number (3989169).

Almost surely, 2^20093558 is an apocalyptic number.

20093558 is a deficient number, since it is larger than the sum of its proper divisors (11819794).

20093558 is a wasteful number, since it uses less digits than its factorization.

20093558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591006.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 20093558 is about 4482.5838530919. The cubic root of 20093558 is about 271.8643625203.

The spelling of 20093558 in words is "twenty million, ninety-three thousand, five hundred fifty-eight".