20610130 has 8 divisors (see below), whose sum is σ = 37098252. Its totient is φ = 8244048.

The previous prime is 20610119. The next prime is 20610151. The reversal of 20610130 is 3101602.

It can be written as a sum of positive squares in 2 ways, for example, as 18948609 + 1661521 = 4353^2 + 1289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20610130.

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 3 ways as a sum of consecutive naturals, for example, 1030497 + ... + 1030516.

Almost surely, 2^20610130 is an apocalyptic number.

20610130 is a deficient number, since it is larger than the sum of its proper divisors (16488122).

20610130 is a wasteful number, since it uses less digits than its factorization.

20610130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061020.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 20610130 is about 4539.8381028402. The cubic root of 20610130 is about 274.1744054545.

Adding to 20610130 its reverse (3101602), we get a palindrome (23711732).

The spelling of 20610130 in words is "twenty million, six hundred ten thousand, one hundred thirty".