20230056 has 192 divisors, whose sum is σ = 70761600. Its totient is φ = 5068800.

The previous prime is 20230039. The next prime is 20230057. The reversal of 20230056 is 65003202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20230057) 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 47 ways as a sum of consecutive naturals, for example, 227260 + ... + 227348.

It is an arithmetic number, because the mean of its divisors is an integer number (368550).

Almost surely, 2^20230056 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 20230056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35380800).

20230056 is an abundant number, since it is smaller than the sum of its proper divisors (50531544).

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

20230056 is a wasteful number, since it uses less digits than its factorization.

20230056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 20230056 is about 4497.7834541027. The cubic root of 20230056 is about 272.4785764377.

Adding to 20230056 its reverse (65003202), we get a palindrome (85233258).

The spelling of 20230056 in words is "twenty million, two hundred thirty thousand, fifty-six".