210342000020 has 72 divisors (see below), whose sum is σ = 470717904384. Its totient is φ = 78934398912.

The previous prime is 210342000013. The next prime is 210342000107. The reversal of 210342000020 is 20000243012.

210342000020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 210341999959 and 210342000004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 602237 + ... + 885083.

It is an arithmetic number, because the mean of its divisors is an integer number (6537748672).

Almost surely, 2^210342000020 is an apocalyptic number.

210342000020 is a gapful number since it is divisible by the number (20) 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 210342000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235358952192).

210342000020 is an abundant number, since it is smaller than the sum of its proper divisors (260375904364).

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

210342000020 is a wasteful number, since it uses less digits than its factorization.

210342000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282997 (or 282976 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 210342000020 its reverse (20000243012), we get a palindrome (230342243032).

The spelling of 210342000020 in words is "two hundred ten billion, three hundred forty-two million, twenty", and thus it is an aban number.