2102020130 has 24 divisors (see below), whose sum is σ = 4401373788. Its totient is φ = 720692448.

The previous prime is 2102020073. The next prime is 2102020147. The reversal of 2102020130 is 310202012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2001399169 + 100620961 = 44737^2 + 10031^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2144429 + ... + 2145408.

Almost surely, 2^2102020130 is an apocalyptic number.

2102020130 is an abundant number, since it is smaller than the sum of its proper divisors (2299353658).

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

2102020130 is a wasteful number, since it uses less digits than its factorization.

2102020130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289858 (or 4289851 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2102020130 is about 45847.7930766575. The cubic root of 2102020130 is about 1280.9896582123.

Adding to 2102020130 its reverse (310202012), we get a palindrome (2412222142).

The spelling of 2102020130 in words is "two billion, one hundred two million, twenty thousand, one hundred thirty".