10030310020 has 48 divisors (see below), whose sum is σ = 21707240688. Its totient is φ = 3890280960.

The previous prime is 10030309981. The next prime is 10030310021. The reversal of 10030310020 is 2001303001.

It can be written as a sum of positive squares in 8 ways, for example, as 5131429956 + 4898880064 = 71634^2 + 69992^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10030309979 and 10030310006.

It is not an unprimeable number, because it can be changed into a prime (10030310021) 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, 193690 + ... + 239950.

It is an arithmetic number, because the mean of its divisors is an integer number (452234181).

Almost surely, 2^10030310020 is an apocalyptic number.

10030310020 is a gapful number since it is divisible by the number (10) 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 10030310020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10853620344).

10030310020 is an abundant number, since it is smaller than the sum of its proper divisors (11676930668).

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

10030310020 is a wasteful number, since it uses less digits than its factorization.

10030310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46600 (or 46598 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 10030310020 its reverse (2001303001), we get a palindrome (12031613021).

The spelling of 10030310020 in words is "ten billion, thirty million, three hundred ten thousand, twenty".