2001520442027 has 2 divisors, whose sum is σ = 2001520442028. Its totient is φ = 2001520442026.

The previous prime is 2001520441951. The next prime is 2001520442039. The reversal of 2001520442027 is 7202440251002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001520442027 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001520442627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000760221013 + 1000760221014.

It is an arithmetic number, because the mean of its divisors is an integer number (1000760221014).

Almost surely, 2^{2001520442027} is an apocalyptic number.

2001520442027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001520442027 is an equidigital number, since it uses as much as digits as its factorization.

2001520442027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 29.

Adding to 2001520442027 its reverse (7202440251002), we get a palindrome (9203960693029).

The spelling of 2001520442027 in words is "two trillion, one billion, five hundred twenty million, four hundred forty-two thousand, twenty-seven".