20286077471 has 16 divisors (see below), whose sum is σ = 22456051200. Its totient is φ = 18170728800.

The previous prime is 20286077447. The next prime is 20286077503. The reversal of 20286077471 is 17477068202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20286077471 is a prime.

It is a super-3 number, since 3×20286077471³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20286077171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1389950 + ... + 1404468.

It is an arithmetic number, because the mean of its divisors is an integer number (1403503200).

Almost surely, 2^20286077471 is an apocalyptic number.

20286077471 is a deficient number, since it is larger than the sum of its proper divisors (2169973729).

20286077471 is a wasteful number, since it uses less digits than its factorization.

20286077471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16390.

The product of its (nonzero) digits is 263424, while the sum is 44.

The spelling of 20286077471 in words is "twenty billion, two hundred eighty-six million, seventy-seven thousand, four hundred seventy-one".