20021201002027 has 2 divisors, whose sum is σ = 20021201002028. Its totient is φ = 20021201002026.

The previous prime is 20021201001979. The next prime is 20021201002031. The reversal of 20021201002027 is 72020010212002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20021201002027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20021201001995 and 20021201002013.

It is not a weakly prime, because it can be changed into another prime (20021201000027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010600501013 + 10010600501014.

It is an arithmetic number, because the mean of its divisors is an integer number (10010600501014).

Almost surely, 2^{20021201002027} is an apocalyptic number.

20021201002027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20021201002027 is an equidigital number, since it uses as much as digits as its factorization.

20021201002027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 20021201002027 its reverse (72020010212002), we get a palindrome (92041211214029).

The spelling of 20021201002027 in words is "twenty trillion, twenty-one billion, two hundred one million, two thousand, twenty-seven".