20024010 has 80 divisors (see below), whose sum is σ = 54885600. Its totient is φ = 5236704.

The previous prime is 20024009. The next prime is 20024077. The reversal of 20024010 is 1042002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20023983 and 20024001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 47581 + ... + 47999.

It is an arithmetic number, because the mean of its divisors is an integer number (686070).

Almost surely, 2^20024010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20024010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27442800).

20024010 is an abundant number, since it is smaller than the sum of its proper divisors (34861590).

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

20024010 is a wasteful number, since it uses less digits than its factorization.

20024010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 20024010 is about 4474.8195494344. The cubic root of 20024010 is about 271.5503401665.

Adding to 20024010 its reverse (1042002), we get a palindrome (21066012).

The spelling of 20024010 in words is "twenty million, twenty-four thousand, ten".