20026193 has 12 divisors (see below), whose sum is σ = 22265808. Its totient is φ = 17862840.

The previous prime is 20026177. The next prime is 20026207. The reversal of 20026193 is 39162002.

It is not a de Polignac number, because 20026193 - 2⁴ = 20026177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20022193) 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 11 ways as a sum of consecutive naturals, for example, 38030 + ... + 38552.

It is an arithmetic number, because the mean of its divisors is an integer number (1855484).

Almost surely, 2^20026193 is an apocalyptic number.

It is an amenable number.

20026193 is a deficient number, since it is larger than the sum of its proper divisors (2239615).

20026193 is an equidigital number, since it uses as much as digits as its factorization.

20026193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 20026193 is about 4475.0634632371. The cubic root of 20026193 is about 271.5602078679.

Adding to 20026193 its reverse (39162002), we get a palindrome (59188195).

The spelling of 20026193 in words is "twenty million, twenty-six thousand, one hundred ninety-three".