20243342113303 has 4 divisors (see below), whose sum is σ = 20896353149248. Its totient is φ = 19590331077360.

The previous prime is 20243342113273. The next prime is 20243342113339. The reversal of 20243342113303 is 30331124334202.

It is a happy number.

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 20243342113303 - 2⁴¹ = 18044318857751 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 653011035913 = 20243342113303 / (2 + 0 + 2 + 4 + 3 + 3 + 4 + 2 + 1 + 1 + 3 + 3 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243342113103) 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, 326505517926 + ... + 326505517987.

It is an arithmetic number, because the mean of its divisors is an integer number (5224088287312).

Almost surely, 2^{20243342113303} is an apocalyptic number.

20243342113303 is a deficient number, since it is larger than the sum of its proper divisors (653011035945).

20243342113303 is an equidigital number, since it uses as much as digits as its factorization.

20243342113303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653011035944.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 20243342113303 its reverse (30331124334202), we get a palindrome (50574466447505).

The spelling of 20243342113303 in words is "twenty trillion, two hundred forty-three billion, three hundred forty-two million, one hundred thirteen thousand, three hundred three".