20102130010 has 16 divisors (see below), whose sum is σ = 36188029800. Its totient is φ = 8039919616.

The previous prime is 20102130001. The next prime is 20102130011. The reversal of 20102130010 is 1003120102.

It can be written as a sum of positive squares in 4 ways, for example, as 19905541569 + 196588441 = 141087^2 + 14021^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20102130011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22375 + ... + 201754.

Almost surely, 2^20102130010 is an apocalyptic number.

20102130010 is a deficient number, since it is larger than the sum of its proper divisors (16085899790).

20102130010 is a wasteful number, since it uses less digits than its factorization.

20102130010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233105.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20102130010 its reverse (1003120102), we get a palindrome (21105250112).

The spelling of 20102130010 in words is "twenty billion, one hundred two million, one hundred thirty thousand, ten".