20160445776 has 40 divisors (see below), whose sum is σ = 52086234720. Its totient is φ = 6719492736.

The previous prime is 20160445769. The next prime is 20160445813. The reversal of 20160445776 is 67754406102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960126 + ... + 980898.

It is an arithmetic number, because the mean of its divisors is an integer number (1302155868).

Almost surely, 2^20160445776 is an apocalyptic number.

It is an amenable number.

20160445776 is an abundant number, since it is smaller than the sum of its proper divisors (31925788944).

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

20160445776 is a wasteful number, since it uses less digits than its factorization.

20160445776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41003 (or 40997 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 20160445776 in words is "twenty billion, one hundred sixty million, four hundred forty-five thousand, seven hundred seventy-six".