20342112303 has 8 divisors (see below), whose sum is σ = 27855865648. Its totient is φ = 13194883584.

The previous prime is 20342112289. The next prime is 20342112319. The reversal of 20342112303 is 30321124302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20342112303 - 2⁹ = 20342111791 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 20342112303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20342112503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91631026 + ... + 91631247.

It is an arithmetic number, because the mean of its divisors is an integer number (3481983206).

Almost surely, 2^20342112303 is an apocalyptic number.

20342112303 is a deficient number, since it is larger than the sum of its proper divisors (7513753345).

20342112303 is a wasteful number, since it uses less digits than its factorization.

20342112303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183262313.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20342112303 its reverse (30321124302), we get a palindrome (50663236605).

The spelling of 20342112303 in words is "twenty billion, three hundred forty-two million, one hundred twelve thousand, three hundred three".