20026230 has 64 divisors (see below), whose sum is σ = 56125440. Its totient is φ = 4477824.

The previous prime is 20026229. The next prime is 20026231. The reversal of 20026230 is 3262002.

It is an interprime number because it is at equal distance from previous prime (20026229) and next prime (20026231).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20026231) 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 31 ways as a sum of consecutive naturals, for example, 8856 + ... + 10884.

It is an arithmetic number, because the mean of its divisors is an integer number (876960).

Almost surely, 2^20026230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20026230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28062720).

20026230 is an abundant number, since it is smaller than the sum of its proper divisors (36099210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20026230 is a wasteful number, since it uses less digits than its factorization.

20026230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20026230 is about 4475.0675972548. The cubic root of 20026230 is about 271.5603751109.

Adding to 20026230 its reverse (3262002), we get a palindrome (23288232).

The spelling of 20026230 in words is "twenty million, twenty-six thousand, two hundred thirty".