20163024 has 120 divisors (see below), whose sum is σ = 65537472. Its totient is φ = 5667840.

The previous prime is 20163023. The next prime is 20163041. The reversal of 20163024 is 42036102.

It is a happy number.

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

20163024 is a modest number, since divided by 3024 gives 2016 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20162988 and 20163006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20163023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83544 + ... + 83784.

Almost surely, 2^20163024 is an apocalyptic number.

20163024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20163024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32768736).

20163024 is an abundant number, since it is smaller than the sum of its proper divisors (45374448).

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

20163024 is a wasteful number, since it uses less digits than its factorization.

20163024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20163024 is about 4490.3256006664. The cubic root of 20163024 is about 272.1772921420.

Adding to 20163024 its reverse (42036102), we get a palindrome (62199126).

The spelling of 20163024 in words is "twenty million, one hundred sixty-three thousand, twenty-four".