20354011020019 has 2 divisors, whose sum is σ = 20354011020020. Its totient is φ = 20354011020018.

The previous prime is 20354011019957. The next prime is 20354011020029. The reversal of 20354011020019 is 91002011045302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20354011020019 - 2¹³ = 20354011011827 is a prime.

It is a super-2 number, since 2×20354011020019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20354011020029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10177005510009 + 10177005510010.

It is an arithmetic number, because the mean of its divisors is an integer number (10177005510010).

Almost surely, 2^{20354011020019} is an apocalyptic number.

20354011020019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20354011020019 is an equidigital number, since it uses as much as digits as its factorization.

20354011020019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 20354011020019 in words is "twenty trillion, three hundred fifty-four billion, eleven million, twenty thousand, nineteen".