20302111323 has 16 divisors (see below), whose sum is σ = 32390833440. Its totient is φ = 12493606752.

The previous prime is 20302111309. The next prime is 20302111337. The reversal of 20302111323 is 32311120302.

It is an interprime number because it is at equal distance from previous prime (20302111309) and next prime (20302111337).

It is not a de Polignac number, because 20302111323 - 2¹³ = 20302103131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20302111296 and 20302111305.

It is not an unprimeable number, because it can be changed into a prime (20302111223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28920036 + ... + 28920737.

It is an arithmetic number, because the mean of its divisors is an integer number (2024427090).

Almost surely, 2^20302111323 is an apocalyptic number.

20302111323 is a deficient number, since it is larger than the sum of its proper divisors (12088722117).

20302111323 is a wasteful number, since it uses less digits than its factorization.

20302111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57840795 (or 57840789 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20302111323 its reverse (32311120302), we get a palindrome (52613231625).

The spelling of 20302111323 in words is "twenty billion, three hundred two million, one hundred eleven thousand, three hundred twenty-three".