20520057207227 has 2 divisors, whose sum is σ = 20520057207228. Its totient is φ = 20520057207226.

The previous prime is 20520057207193. The next prime is 20520057207289. The reversal of 20520057207227 is 72270275002502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20520057207227 - 2²² = 20520053012923 is a prime.

It is not a weakly prime, because it can be changed into another prime (20520057203227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10260028603613 + 10260028603614.

It is an arithmetic number, because the mean of its divisors is an integer number (10260028603614).

Almost surely, 2^{20520057207227} is an apocalyptic number.

20520057207227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20520057207227 is an equidigital number, since it uses as much as digits as its factorization.

20520057207227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 274400, while the sum is 41.

The spelling of 20520057207227 in words is "twenty trillion, five hundred twenty billion, fifty-seven million, two hundred seven thousand, two hundred twenty-seven".