20130300 has 54 divisors (see below), whose sum is σ = 63100128. Its totient is φ = 5367840.

The previous prime is 20130293. The next prime is 20130343. The reversal of 20130300 is 303102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10284 + ... + 12083.

Almost surely, 2^20130300 is an apocalyptic number.

20130300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20130300 is an abundant number, since it is smaller than the sum of its proper divisors (42969828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20130300 is a wasteful number, since it uses less digits than its factorization.

20130300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22387 (or 22377 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 20130300 is about 4486.6802872503. The cubic root of 20130300 is about 272.0299671424.

Adding to 20130300 its reverse (303102), we get a palindrome (20433402).

The spelling of 20130300 in words is "twenty million, one hundred thirty thousand, three hundred".