20200012001443 has 2 divisors, whose sum is σ = 20200012001444. Its totient is φ = 20200012001442.

The previous prime is 20200012001423. The next prime is 20200012001539. The reversal of 20200012001443 is 34410021000202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20200012001443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20200012001443.

It is not a weakly prime, because it can be changed into another prime (20200012001423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100006000721 + 10100006000722.

It is an arithmetic number, because the mean of its divisors is an integer number (10100006000722).

Almost surely, 2^{20200012001443} is an apocalyptic number.

20200012001443 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200012001443 is an equidigital number, since it uses as much as digits as its factorization.

20200012001443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20200012001443 its reverse (34410021000202), we get a palindrome (54610033001645).

The spelling of 20200012001443 in words is "twenty trillion, two hundred billion, twelve million, one thousand, four hundred forty-three".