210130322020 has 12 divisors (see below), whose sum is σ = 441273676284. Its totient is φ = 84052128800.

The previous prime is 210130321993. The next prime is 210130322029. The reversal of 210130322020 is 20223031012.

It can be written as a sum of positive squares in 2 ways, for example, as 33550516224 + 176579805796 = 183168^2 + 420214^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210130321985 and 210130322003.

It is not an unprimeable number, because it can be changed into a prime (210130322029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5253258031 + ... + 5253258070.

It is an arithmetic number, because the mean of its divisors is an integer number (36772806357).

Almost surely, 2^210130322020 is an apocalyptic number.

210130322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210130322020 is an abundant number, since it is smaller than the sum of its proper divisors (231143354264).

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

210130322020 is a wasteful number, since it uses less digits than its factorization.

210130322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10506516110 (or 10506516108 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 210130322020 its reverse (20223031012), we get a palindrome (230353353032).

The spelling of 210130322020 in words is "two hundred ten billion, one hundred thirty million, three hundred twenty-two thousand, twenty".