20244340132403 has 4 divisors (see below), whose sum is σ = 20297197417728. Its totient is φ = 20191482847080.

The previous prime is 20244340132391. The next prime is 20244340132441. The reversal of 20244340132403 is 30423104344202.

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 20244340132403 - 2²⁶ = 20244273023539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20244340132403.

It is not an unprimeable number, because it can be changed into a prime (20244340132483) 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, 26428642088 + ... + 26428642853.

It is an arithmetic number, because the mean of its divisors is an integer number (5074299354432).

Almost surely, 2^{20244340132403} is an apocalyptic number.

20244340132403 is a deficient number, since it is larger than the sum of its proper divisors (52857285325).

20244340132403 is an equidigital number, since it uses as much as digits as its factorization.

20244340132403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52857285324.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 20244340132403 its reverse (30423104344202), we get a palindrome (50667444476605).

The spelling of 20244340132403 in words is "twenty trillion, two hundred forty-four billion, three hundred forty million, one hundred thirty-two thousand, four hundred three".