1331020202027 has 2 divisors, whose sum is σ = 1331020202028. Its totient is φ = 1331020202026.

The previous prime is 1331020202009. The next prime is 1331020202089. The reversal of 1331020202027 is 7202020201331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1331020202027 - 2⁶ = 1331020201963 is a prime.

It is a super-2 number, since 2×1331020202027² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1331020201993 and 1331020202011.

It is not a weakly prime, because it can be changed into another prime (1331020202627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665510101013 + 665510101014.

It is an arithmetic number, because the mean of its divisors is an integer number (665510101014).

Almost surely, 2^{1331020202027} is an apocalyptic number.

1331020202027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331020202027 is an equidigital number, since it uses as much as digits as its factorization.

1331020202027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 1331020202027 its reverse (7202020201331), we get a palindrome (8533040403358).

The spelling of 1331020202027 in words is "one trillion, three hundred thirty-one billion, twenty million, two hundred two thousand, twenty-seven".