20003421882371 has 2 divisors, whose sum is σ = 20003421882372. Its totient is φ = 20003421882370.

The previous prime is 20003421882349. The next prime is 20003421882373. The reversal of 20003421882371 is 17328812430002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20003421882371 - 2¹⁸ = 20003421620227 is a prime.

Together with 20003421882373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20003421882373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001710941185 + 10001710941186.

It is an arithmetic number, because the mean of its divisors is an integer number (10001710941186).

Almost surely, 2^{20003421882371} is an apocalyptic number.

20003421882371 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003421882371 is an equidigital number, since it uses as much as digits as its factorization.

20003421882371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 20003421882371 in words is "twenty trillion, three billion, four hundred twenty-one million, eight hundred eighty-two thousand, three hundred seventy-one".