20271573144011 has 16 divisors (see below), whose sum is σ = 23306620237824. Its totient is φ = 17271306467424.

The previous prime is 20271573144007. The next prime is 20271573144083. The reversal of 20271573144011 is 11044137517202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20271573144011 - 2² = 20271573144007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20271573144001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104707646 + ... + 104901068.

It is an arithmetic number, because the mean of its divisors is an integer number (1456663764864).

Almost surely, 2^{20271573144011} is an apocalyptic number.

20271573144011 is a deficient number, since it is larger than the sum of its proper divisors (3035047093813).

20271573144011 is a wasteful number, since it uses less digits than its factorization.

20271573144011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283250.

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 20271573144011 in words is "twenty trillion, two hundred seventy-one billion, five hundred seventy-three million, one hundred forty-four thousand, eleven".