20245300 has 36 divisors (see below), whose sum is σ = 46520460. Its totient is φ = 7621120.

The previous prime is 20245289. The next prime is 20245301. The reversal of 20245300 is 354202.

It can be written as a sum of positive squares in 6 ways, for example, as 121104 + 20124196 = 348^2 + 4486^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20245301) 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, 4255 + ... + 7654.

It is an arithmetic number, because the mean of its divisors is an integer number (1292235).

Almost surely, 2^20245300 is an apocalyptic number.

20245300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20245300 is an abundant number, since it is smaller than the sum of its proper divisors (26275160).

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

20245300 is a wasteful number, since it uses less digits than its factorization.

20245300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11940 (or 11933 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 20245300 is about 4499.4777474725. The cubic root of 20245300 is about 272.5469997208.

Adding to 20245300 its reverse (354202), we get a palindrome (20599502).

The spelling of 20245300 in words is "twenty million, two hundred forty-five thousand, three hundred".