20575471405 has 8 divisors (see below), whose sum is σ = 25264765152. Its totient is φ = 16077577488.

The previous prime is 20575471391. The next prime is 20575471409. The reversal of 20575471405 is 50417457502.

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 20575471405 - 2⁷ = 20575471277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20575471409) 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 7 ways as a sum of consecutive naturals, for example, 47849719 + ... + 47850148.

It is an arithmetic number, because the mean of its divisors is an integer number (3158095644).

Almost surely, 2^20575471405 is an apocalyptic number.

It is an amenable number.

20575471405 is a deficient number, since it is larger than the sum of its proper divisors (4689293747).

20575471405 is an equidigital number, since it uses as much as digits as its factorization.

20575471405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95699915.

The product of its (nonzero) digits is 196000, while the sum is 40.

The spelling of 20575471405 in words is "twenty billion, five hundred seventy-five million, four hundred seventy-one thousand, four hundred five".