20201012202043 has 2 divisors, whose sum is σ = 20201012202044. Its totient is φ = 20201012202042.

The previous prime is 20201012201969. The next prime is 20201012202047. The reversal of 20201012202043 is 34020221010202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20201012202043 - 2¹³ = 20201012193851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20201012202043.

It is not a weakly prime, because it can be changed into another prime (20201012202047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100506101021 + 10100506101022.

It is an arithmetic number, because the mean of its divisors is an integer number (10100506101022).

Almost surely, 2^{20201012202043} is an apocalyptic number.

20201012202043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201012202043 is an equidigital number, since it uses as much as digits as its factorization.

20201012202043 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 20201012202043 its reverse (34020221010202), we get a palindrome (54221233212245).

The spelling of 20201012202043 in words is "twenty trillion, two hundred one billion, twelve million, two hundred two thousand, forty-three".