20001130 has 8 divisors (see below), whose sum is σ = 36002052. Its totient is φ = 8000448.

The previous prime is 20001083. The next prime is 20001139. The reversal of 20001130 is 3110002.

It can be written as a sum of positive squares in 2 ways, for example, as 16507969 + 3493161 = 4063^2 + 1869^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20001139) 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 3 ways as a sum of consecutive naturals, for example, 1000047 + ... + 1000066.

Almost surely, 2^20001130 is an apocalyptic number.

20001130 is a deficient number, since it is larger than the sum of its proper divisors (16000922).

20001130 is a wasteful number, since it uses less digits than its factorization.

20001130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000120.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 20001130 is about 4472.2622910558. The cubic root of 20001130 is about 271.4468737164.

Adding to 20001130 its reverse (3110002), we get a palindrome (23111132).

The spelling of 20001130 in words is "twenty million, one thousand, one hundred thirty".