20031000210 has 96 divisors (see below), whose sum is σ = 59386083120. Its totient is φ = 4640661504.

The previous prime is 20031000167. The next prime is 20031000259. The reversal of 20031000210 is 1200013002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 11643920649 + 8387079561 = 107907^2 + 91581^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20031000192 and 20031000201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 483655 + ... + 523434.

Almost surely, 2^20031000210 is an apocalyptic number.

20031000210 is an abundant number, since it is smaller than the sum of its proper divisors (39355082910).

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

20031000210 is a wasteful number, since it uses less digits than its factorization.

20031000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007132 (or 1007129 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 20031000210 its reverse (1200013002), we get a palindrome (21231013212).

The spelling of 20031000210 in words is "twenty billion, thirty-one million, two hundred ten", and thus it is an aban number.