20201020120003 has 2 divisors, whose sum is σ = 20201020120004. Its totient is φ = 20201020120002.

The previous prime is 20201020119967. The next prime is 20201020120037. The reversal of 20201020120003 is 30002102010202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20201020120003 - 2¹⁷ = 20201019988931 is a prime.

It is not a weakly prime, because it can be changed into another prime (20201020120103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100510060001 + 10100510060002.

It is an arithmetic number, because the mean of its divisors is an integer number (10100510060002).

Almost surely, 2^{20201020120003} is an apocalyptic number.

20201020120003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201020120003 is an equidigital number, since it uses as much as digits as its factorization.

20201020120003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20201020120003 its reverse (30002102010202), we get a palindrome (50203122130205).

The spelling of 20201020120003 in words is "twenty trillion, two hundred one billion, twenty million, one hundred twenty thousand, three".