20471066432 has 28 divisors (see below), whose sum is σ = 40629510816. Its totient is φ = 10233709440.

The previous prime is 20471066359. The next prime is 20471066437. The reversal of 20471066432 is 23466017402.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20471066392 and 20471066401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20471066437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378563 + ... + 429245.

Almost surely, 2^20471066432 is an apocalyptic number.

It is an amenable number.

20471066432 is a deficient number, since it is larger than the sum of its proper divisors (20158444384).

20471066432 is an equidigital number, since it uses as much as digits as its factorization.

20471066432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57006 (or 56996 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 20471066432 in words is "twenty billion, four hundred seventy-one million, sixty-six thousand, four hundred thirty-two".