20320302019 has 2 divisors, whose sum is σ = 20320302020. Its totient is φ = 20320302018.

The previous prime is 20320301999. The next prime is 20320302029. The reversal of 20320302019 is 91020302302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20320302019 - 2¹³ = 20320293827 is a prime.

It is a super-2 number, since 2×20320302019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20320302029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160151009 + 10160151010.

It is an arithmetic number, because the mean of its divisors is an integer number (10160151010).

Almost surely, 2^20320302019 is an apocalyptic number.

20320302019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20320302019 is an equidigital number, since it uses as much as digits as its factorization.

20320302019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The spelling of 20320302019 in words is "twenty billion, three hundred twenty million, three hundred two thousand, nineteen".