20203241 has 4 divisors (see below), whose sum is σ = 20283984. Its totient is φ = 20122500.

The previous prime is 20203237. The next prime is 20203243. The reversal of 20203241 is 14230202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20203241 - 2² = 20203237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20203243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39995 + ... + 40496.

It is an arithmetic number, because the mean of its divisors is an integer number (5070996).

Almost surely, 2^20203241 is an apocalyptic number.

It is an amenable number.

20203241 is a deficient number, since it is larger than the sum of its proper divisors (80743).

20203241 is an equidigital number, since it uses as much as digits as its factorization.

20203241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80742.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20203241 is about 4494.8015529053. The cubic root of 20203241 is about 272.3581328153.

Adding to 20203241 its reverse (14230202), we get a palindrome (34433443).

The spelling of 20203241 in words is "twenty million, two hundred three thousand, two hundred forty-one".