20230144 has 52 divisors (see below), whose sum is σ = 44231400. Its totient is φ = 9175040.

The previous prime is 20230121. The next prime is 20230151. The reversal of 20230144 is 44103202.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44832 + ... + 45280.

Almost surely, 2^20230144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20230144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22115700).

20230144 is an abundant number, since it is smaller than the sum of its proper divisors (24001256).

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

20230144 is an equidigital number, since it uses as much as digits as its factorization.

20230144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20230144 is about 4497.7932366884. The cubic root of 20230144 is about 272.4789715277.

Adding to 20230144 its reverse (44103202), we get a palindrome (64333346).

The spelling of 20230144 in words is "twenty million, two hundred thirty thousand, one hundred forty-four".