20611476471 has 8 divisors (see below), whose sum is σ = 27498461184. Its totient is φ = 13732738040.

The previous prime is 20611476463. The next prime is 20611476503. The reversal of 20611476471 is 17467411602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20611476471 - 2³ = 20611476463 is a prime.

It is a super-3 number, since 3×20611476471³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20611476401) 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 7 ways as a sum of consecutive naturals, for example, 2055735 + ... + 2065736.

It is an arithmetic number, because the mean of its divisors is an integer number (3437307648).

Almost surely, 2^20611476471 is an apocalyptic number.

20611476471 is a deficient number, since it is larger than the sum of its proper divisors (6886984713).

20611476471 is a wasteful number, since it uses less digits than its factorization.

20611476471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123141.

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 20611476471 in words is "twenty billion, six hundred eleven million, four hundred seventy-six thousand, four hundred seventy-one".