20302330 has 32 divisors (see below), whose sum is σ = 38548224. Its totient is φ = 7683456.

The previous prime is 20302327. The next prime is 20302361. The reversal of 20302330 is 3320302.

It is a self number, because there is not a number n which added to its sum of digits gives 20302330.

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, 23262 + ... + 24118.

It is an arithmetic number, because the mean of its divisors is an integer number (1204632).

Almost surely, 2^20302330 is an apocalyptic number.

20302330 is a deficient number, since it is larger than the sum of its proper divisors (18245894).

20302330 is a wasteful number, since it uses less digits than its factorization.

20302330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990.

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 20302330 is about 4505.8106928720. The cubic root of 20302330 is about 272.8026768943.

Adding to 20302330 its reverse (3320302), we get a palindrome (23622632).

The spelling of 20302330 in words is "twenty million, three hundred two thousand, three hundred thirty".