20008130 has 8 divisors (see below), whose sum is σ = 36014652. Its totient is φ = 8003248.

The previous prime is 20008129. The next prime is 20008141. The reversal of 20008130 is 3180002.

It can be written as a sum of positive squares in 2 ways, for example, as 16589329 + 3418801 = 4073^2 + 1849^2 .

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

20008130 is a modest number, since divided by 8130 gives 200 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000397 + ... + 1000416.

Almost surely, 2^20008130 is an apocalyptic number.

20008130 is a deficient number, since it is larger than the sum of its proper divisors (16006522).

20008130 is a wasteful number, since it uses less digits than its factorization.

20008130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000820.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 20008130 is about 4473.0448242780. The cubic root of 20008130 is about 271.4785370356.

Adding to 20008130 its reverse (3180002), we get a palindrome (23188132).

The spelling of 20008130 in words is "twenty million, eight thousand, one hundred thirty".