20300474 has 24 divisors (see below), whose sum is σ = 33211008. Its totient is φ = 9295560.

The previous prime is 20300459. The next prime is 20300477. The reversal of 20300474 is 47400302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20300477) 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 11 ways as a sum of consecutive naturals, for example, 21929 + ... + 22835.

It is an arithmetic number, because the mean of its divisors is an integer number (1383792).

Almost surely, 2^20300474 is an apocalyptic number.

20300474 is a deficient number, since it is larger than the sum of its proper divisors (12910534).

20300474 is a wasteful number, since it uses less digits than its factorization.

20300474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 20300474 is about 4505.6047318867. The cubic root of 20300474 is about 272.7943636088.

Adding to 20300474 its reverse (47400302), we get a palindrome (67700776).

The spelling of 20300474 in words is "twenty million, three hundred thousand, four hundred seventy-four".