20330130 has 32 divisors (see below), whose sum is σ = 51663744. Its totient is φ = 5102336.

The previous prime is 20330129. The next prime is 20330143. The reversal of 20330130 is 3103302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19422 + ... + 20441.

It is an arithmetic number, because the mean of its divisors is an integer number (1614492).

Almost surely, 2^20330130 is an apocalyptic number.

20330130 is an abundant number, since it is smaller than the sum of its proper divisors (31333614).

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

20330130 is a wasteful number, since it uses less digits than its factorization.

20330130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39890.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 20330130 is about 4508.8945430116. The cubic root of 20330130 is about 272.9271364267.

Adding to 20330130 its reverse (3103302), we get a palindrome (23433432).

The spelling of 20330130 in words is "twenty million, three hundred thirty thousand, one hundred thirty".