20300130 has 48 divisors (see below), whose sum is σ = 53688960. Its totient is φ = 5320224.

The previous prime is 20300123. The next prime is 20300143. The reversal of 20300130 is 3100302.

It is a happy number.

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

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3399 + ... + 7221.

It is an arithmetic number, because the mean of its divisors is an integer number (1118520).

Almost surely, 2^20300130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20300130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26844480).

20300130 is an abundant number, since it is smaller than the sum of its proper divisors (33388830).

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

20300130 is a wasteful number, since it uses less digits than its factorization.

20300130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895 (or 3892 counting only the distinct ones).

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

The square root of 20300130 is about 4505.5665570492. The cubic root of 20300130 is about 272.7928227286.

Adding to 20300130 its reverse (3100302), we get a palindrome (23400432).

The spelling of 20300130 in words is "twenty million, three hundred thousand, one hundred thirty".