20670524471 has 16 divisors (see below), whose sum is σ = 21247319040. Its totient is φ = 20099832480.

The previous prime is 20670524467. The next prime is 20670524473. The reversal of 20670524471 is 17442507602.

It is a cyclic number.

It is not a de Polignac number, because 20670524471 - 2² = 20670524467 is a prime.

It is a super-3 number, since 3×20670524471³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20670524473) 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, 5885606 + ... + 5889116.

It is an arithmetic number, because the mean of its divisors is an integer number (1327957440).

Almost surely, 2^20670524471 is an apocalyptic number.

20670524471 is a deficient number, since it is larger than the sum of its proper divisors (576794569).

20670524471 is a wasteful number, since it uses less digits than its factorization.

20670524471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4334.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 20670524471 in words is "twenty billion, six hundred seventy million, five hundred twenty-four thousand, four hundred seventy-one".