210030130020 has 96 divisors (see below), whose sum is σ = 599187109248. Its totient is φ = 54957146112.

The previous prime is 210030129997. The next prime is 210030130031. The reversal of 210030130020 is 20031030012.

It is a happy number.

210030130020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×210030130020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210030129978 and 210030130005.

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 31 ways as a sum of consecutive naturals, for example, 931494 + ... + 1134786.

It is an arithmetic number, because the mean of its divisors is an integer number (6241532388).

Almost surely, 2^210030130020 is an apocalyptic number.

210030130020 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 210030130020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299593554624).

210030130020 is an abundant number, since it is smaller than the sum of its proper divisors (389156979228).

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

210030130020 is a wasteful number, since it uses less digits than its factorization.

210030130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203629 (or 203627 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 210030130020 its reverse (20031030012), we get a palindrome (230061160032).

The spelling of 210030130020 in words is "two hundred ten billion, thirty million, one hundred thirty thousand, twenty".