20130363 has 48 divisors (see below), whose sum is σ = 34909056. Its totient is φ = 11456640.

The previous prime is 20130349. The next prime is 20130371. The reversal of 20130363 is 36303102.

It is a happy number.

It is not a de Polignac number, because 20130363 - 2¹⁰ = 20129339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20130343) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 45220 + ... + 45662.

It is an arithmetic number, because the mean of its divisors is an integer number (727272).

Almost surely, 2^20130363 is an apocalyptic number.

20130363 is a deficient number, since it is larger than the sum of its proper divisors (14778693).

20130363 is a wasteful number, since it uses less digits than its factorization.

20130363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 20130363 is about 4486.6873080258. The cubic root of 20130363 is about 272.0302509247.

Adding to 20130363 its reverse (36303102), we get a palindrome (56433465).

The spelling of 20130363 in words is "twenty million, one hundred thirty thousand, three hundred sixty-three".