20204310 has 32 divisors (see below), whose sum is σ = 55418112. Its totient is φ = 4618080.

The previous prime is 20204299. The next prime is 20204311. The reversal of 20204310 is 1340202.

It is a super-2 number, since 2×20204310² = 816428285152200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204311) by changing a digit.

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, 47896 + ... + 48315.

It is an arithmetic number, because the mean of its divisors is an integer number (1731816).

Almost surely, 2^20204310 is an apocalyptic number.

20204310 is an abundant number, since it is smaller than the sum of its proper divisors (35213802).

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

20204310 is a wasteful number, since it uses less digits than its factorization.

20204310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96228.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20204310 is about 4494.9204664821. The cubic root of 20204310 is about 272.3629364293.

Adding to 20204310 its reverse (1340202), we get a palindrome (21544512).

The spelling of 20204310 in words is "twenty million, two hundred four thousand, three hundred ten".