210404143241020 has 48 divisors (see below), whose sum is σ = 446297998130208. Its totient is φ = 83314450553600.

The previous prime is 210404143240961. The next prime is 210404143241021. The reversal of 210404143241020 is 20142341404012.

It is a self number, because there is not a number n which added to its sum of digits gives 210404143241020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210404143241021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3394854 + ... + 20792626.

It is an arithmetic number, because the mean of its divisors is an integer number (9297874961046).

Almost surely, 2^{210404143241020} is an apocalyptic number.

210404143241020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210404143241020 is an abundant number, since it is smaller than the sum of its proper divisors (235893854889188).

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

210404143241020 is a wasteful number, since it uses less digits than its factorization.

210404143241020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17403870 (or 17403868 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 210404143241020 its reverse (20142341404012), we get a palindrome (230546484645032).

The spelling of 210404143241020 in words is "two hundred ten trillion, four hundred four billion, one hundred forty-three million, two hundred forty-one thousand, twenty".