20023115303 has 4 divisors (see below), whose sum is σ = 20035765728. Its totient is φ = 20010464880.

The previous prime is 20023115257. The next prime is 20023115309. The reversal of 20023115303 is 30351132002.

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 20023115303 - 2¹⁴ = 20023098919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023115309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6322838 + ... + 6326003.

It is an arithmetic number, because the mean of its divisors is an integer number (5008941432).

Almost surely, 2^20023115303 is an apocalyptic number.

20023115303 is a deficient number, since it is larger than the sum of its proper divisors (12650425).

20023115303 is a wasteful number, since it uses less digits than its factorization.

20023115303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12650424.

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 20023115303 its reverse (30351132002), we get a palindrome (50374247305).

The spelling of 20023115303 in words is "twenty billion, twenty-three million, one hundred fifteen thousand, three hundred three".