20300434 has 32 divisors (see below), whose sum is σ = 38604672. Its totient is φ = 7776000.

The previous prime is 20300419. The next prime is 20300459. The reversal of 20300434 is 43400302.

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 15 ways as a sum of consecutive naturals, for example, 8314 + ... + 10474.

It is an arithmetic number, because the mean of its divisors is an integer number (1206396).

Almost surely, 2^20300434 is an apocalyptic number.

20300434 is a deficient number, since it is larger than the sum of its proper divisors (18304238).

20300434 is a wasteful number, since it uses less digits than its factorization.

20300434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 20300434 is about 4505.6002929687. The cubic root of 20300434 is about 272.7941844376.

Adding to 20300434 its reverse (43400302), we get a palindrome (63700736).

The spelling of 20300434 in words is "twenty million, three hundred thousand, four hundred thirty-four".