20413042019 has 2 divisors, whose sum is σ = 20413042020. Its totient is φ = 20413042018.

The previous prime is 20413041997. The next prime is 20413042031. The reversal of 20413042019 is 91024031402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20413042019 - 2²⁴ = 20396264803 is a prime.

It is a super-2 number, since 2×20413042019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20413042619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206521009 + 10206521010.

It is an arithmetic number, because the mean of its divisors is an integer number (10206521010).

Almost surely, 2^20413042019 is an apocalyptic number.

20413042019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413042019 is an equidigital number, since it uses as much as digits as its factorization.

20413042019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 20413042019 in words is "twenty billion, four hundred thirteen million, forty-two thousand, nineteen".