20804576433 has 8 divisors (see below), whose sum is σ = 29199405600. Its totient is φ = 13139732448.

The previous prime is 20804576411. The next prime is 20804576453. The reversal of 20804576433 is 33467540802.

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

It is not a de Polignac number, because 20804576433 - 2¹⁰ = 20804575409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20804576453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182496228 + ... + 182496341.

It is an arithmetic number, because the mean of its divisors is an integer number (3649925700).

Almost surely, 2^20804576433 is an apocalyptic number.

It is an amenable number.

20804576433 is a deficient number, since it is larger than the sum of its proper divisors (8394829167).

20804576433 is a wasteful number, since it uses less digits than its factorization.

20804576433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364992591.

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 20804576433 in words is "twenty billion, eight hundred four million, five hundred seventy-six thousand, four hundred thirty-three".