20203011301999 has 2 divisors, whose sum is σ = 20203011302000. Its totient is φ = 20203011301998.

The previous prime is 20203011301927. The next prime is 20203011302039. The reversal of 20203011301999 is 99910311030202.

It is an a-pointer prime, because the next prime (20203011302039) can be obtained adding 20203011301999 to its sum of digits (40).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20203011301999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20203011311999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101505650999 + 10101505651000.

It is an arithmetic number, because the mean of its divisors is an integer number (10101505651000).

Almost surely, 2^{20203011301999} is an apocalyptic number.

20203011301999 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203011301999 is an equidigital number, since it uses as much as digits as its factorization.

20203011301999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 40.

The spelling of 20203011301999 in words is "twenty trillion, two hundred three billion, eleven million, three hundred one thousand, nine hundred ninety-nine".