20244252403 has 4 divisors (see below), whose sum is σ = 20256742768. Its totient is φ = 20231762040.

The previous prime is 20244252367. The next prime is 20244252433. The reversal of 20244252403 is 30425244202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20244252403 - 2³³ = 11654317811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20244252433) 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, 6242751 + ... + 6245992.

It is an arithmetic number, because the mean of its divisors is an integer number (5064185692).

Almost surely, 2^20244252403 is an apocalyptic number.

20244252403 is a deficient number, since it is larger than the sum of its proper divisors (12490365).

20244252403 is a wasteful number, since it uses less digits than its factorization.

20244252403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12490364.

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 20244252403 its reverse (30425244202), we get a palindrome (50669496605).

The spelling of 20244252403 in words is "twenty billion, two hundred forty-four million, two hundred fifty-two thousand, four hundred three".