20334130 has 16 divisors (see below), whose sum is σ = 36652824. Its totient is φ = 8122240.

The previous prime is 20334121. The next prime is 20334137. The reversal of 20334130 is 3143302.

It can be written as a sum of positive squares in 4 ways, for example, as 19811401 + 522729 = 4451^2 + 723^2 .

It is not an unprimeable number, because it can be changed into a prime (20334137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12990 + ... + 14470.

Almost surely, 2^20334130 is an apocalyptic number.

20334130 is a deficient number, since it is larger than the sum of its proper divisors (16318694).

20334130 is a wasteful number, since it uses less digits than its factorization.

20334130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 20334130 is about 4509.3380888995. The cubic root of 20334130 is about 272.9450349342.

Adding to 20334130 its reverse (3143302), we get a palindrome (23477432).

The spelling of 20334130 in words is "twenty million, three hundred thirty-four thousand, one hundred thirty".