210024020 has 12 divisors (see below), whose sum is σ = 441050484. Its totient is φ = 84009600.

The previous prime is 210024019. The next prime is 210024041. The reversal of 210024020 is 20420012.

It can be written as a sum of positive squares in 2 ways, for example, as 120077764 + 89946256 = 10958^2 + 9484^2 .

It is a super-2 number, since 2×210024020² = 88220177953920800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210023992 and 210024010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5250581 + ... + 5250620.

It is an arithmetic number, because the mean of its divisors is an integer number (36754207).

Almost surely, 2^210024020 is an apocalyptic number.

210024020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210024020 is an abundant number, since it is smaller than the sum of its proper divisors (231026464).

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

210024020 is a wasteful number, since it uses less digits than its factorization.

210024020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10501210 (or 10501208 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 210024020 is about 14492.2054912287. The cubic root of 210024020 is about 594.4148567941.

Adding to 210024020 its reverse (20420012), we get a palindrome (230444032).

The spelling of 210024020 in words is "two hundred ten million, twenty-four thousand, twenty".