20093210 has 8 divisors (see below), whose sum is σ = 36167796. Its totient is φ = 8037280.

The previous prime is 20093207. The next prime is 20093219. The reversal of 20093210 is 1239002.

It can be written as a sum of positive squares in 2 ways, for example, as 16999129 + 3094081 = 4123^2 + 1759^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20093219) 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 3 ways as a sum of consecutive naturals, for example, 1004651 + ... + 1004670.

Almost surely, 2^20093210 is an apocalyptic number.

20093210 is a deficient number, since it is larger than the sum of its proper divisors (16074586).

20093210 is a wasteful number, since it uses less digits than its factorization.

20093210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009328.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 20093210 is about 4482.5450360259. The cubic root of 20093210 is about 271.8627930398.

The spelling of 20093210 in words is "twenty million, ninety-three thousand, two hundred ten".