20407273271 has 12 divisors (see below), whose sum is σ = 25635584016. Its totient is φ = 15901770720.

The previous prime is 20407273261. The next prime is 20407273357. The reversal of 20407273271 is 17237270402.

It is not a de Polignac number, because 20407273271 - 2¹⁴ = 20407256887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20407273261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12045950 + ... + 12047643.

It is an arithmetic number, because the mean of its divisors is an integer number (2136298668).

Almost surely, 2^20407273271 is an apocalyptic number.

20407273271 is a deficient number, since it is larger than the sum of its proper divisors (5228310745).

20407273271 is a wasteful number, since it uses less digits than its factorization.

20407273271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24093622 (or 24093611 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The spelling of 20407273271 in words is "twenty billion, four hundred seven million, two hundred seventy-three thousand, two hundred seventy-one".