20023312019 has 2 divisors, whose sum is σ = 20023312020. Its totient is φ = 20023312018.

The previous prime is 20023312007. The next prime is 20023312031. The reversal of 20023312019 is 91021332002.

It is a balanced prime because it is at equal distance from previous prime (20023312007) and next prime (20023312031).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20023312019 is a prime.

It is a super-2 number, since 2×20023312019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20023311985 and 20023312003.

It is not a weakly prime, because it can be changed into another prime (20023312039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011656009 + 10011656010.

It is an arithmetic number, because the mean of its divisors is an integer number (10011656010).

Almost surely, 2^20023312019 is an apocalyptic number.

20023312019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023312019 is an equidigital number, since it uses as much as digits as its factorization.

20023312019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 20023312019 in words is "twenty billion, twenty-three million, three hundred twelve thousand, nineteen".