20014648834571 has 2 divisors, whose sum is σ = 20014648834572. Its totient is φ = 20014648834570.

The previous prime is 20014648834493. The next prime is 20014648834673. The reversal of 20014648834571 is 17543884641002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20014648834571 - 2¹⁰ = 20014648833547 is a prime.

It is not a weakly prime, because it can be changed into another prime (20014648831571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10007324417285 + 10007324417286.

It is an arithmetic number, because the mean of its divisors is an integer number (10007324417286).

Almost surely, 2^{20014648834571} is an apocalyptic number.

20014648834571 is a deficient number, since it is larger than the sum of its proper divisors (1).

20014648834571 is an equidigital number, since it uses as much as digits as its factorization.

20014648834571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 20014648834571 in words is "twenty trillion, fourteen billion, six hundred forty-eight million, eight hundred thirty-four thousand, five hundred seventy-one".