20110230 has 96 divisors (see below), whose sum is σ = 60450624. Its totient is φ = 4543488.

The previous prime is 20110229. The next prime is 20110231. The reversal of 20110230 is 3201102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20110229) and next prime (20110231).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86194 + ... + 86426.

It is an arithmetic number, because the mean of its divisors is an integer number (629694).

Almost surely, 2^20110230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30225312).

20110230 is an abundant number, since it is smaller than the sum of its proper divisors (40340394).

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

20110230 is a wasteful number, since it uses less digits than its factorization.

20110230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 20110230 is about 4484.4431092389. The cubic root of 20110230 is about 271.9395320458.

Adding to 20110230 its reverse (3201102), we get a palindrome (23311332).

The spelling of 20110230 in words is "twenty million, one hundred ten thousand, two hundred thirty".