20474840176 has 40 divisors (see below), whose sum is σ = 45846574560. Its totient is φ = 8676332544.

The previous prime is 20474840147. The next prime is 20474840213. The reversal of 20474840176 is 67104847402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017061 + ... + 1036996.

It is an arithmetic number, because the mean of its divisors is an integer number (1146164364).

Almost surely, 2^20474840176 is an apocalyptic number.

It is an amenable number.

20474840176 is an abundant number, since it is smaller than the sum of its proper divisors (25371734384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20474840176 is a wasteful number, since it uses less digits than its factorization.

20474840176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054161 (or 2054155 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 43.

The spelling of 20474840176 in words is "twenty billion, four hundred seventy-four million, eight hundred forty thousand, one hundred seventy-six".