20245203 has 48 divisors (see below), whose sum is σ = 34444800. Its totient is φ = 11327040.

The previous prime is 20245187. The next prime is 20245213. The reversal of 20245203 is 30254202.

It is not a de Polignac number, because 20245203 - 2⁴ = 20245187 is a prime.

It is a super-2 number, since 2×20245203² = 819736489022418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20245213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88293 + ... + 88521.

It is an arithmetic number, because the mean of its divisors is an integer number (717600).

Almost surely, 2^20245203 is an apocalyptic number.

20245203 is a deficient number, since it is larger than the sum of its proper divisors (14199597).

20245203 is a wasteful number, since it uses less digits than its factorization.

20245203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 20245203 is about 4499.4669684308. The cubic root of 20245203 is about 272.5465644412.

Adding to 20245203 its reverse (30254202), we get a palindrome (50499405).

It can be divided in two parts, 2024 and 5203, that added together give a palindrome (7227).

The spelling of 20245203 in words is "twenty million, two hundred forty-five thousand, two hundred three".