13473776020 has 24 divisors (see below), whose sum is σ = 29959338024. Its totient is φ = 5072480256.

The previous prime is 13473775943. The next prime is 13473776051. The reversal of 13473776020 is 2067737431.

It can be written as a sum of positive squares in 4 ways, for example, as 1516790916 + 11956985104 = 38946^2 + 109348^2 .

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, 19814037 + ... + 19814716.

It is an arithmetic number, because the mean of its divisors is an integer number (1248305751).

Almost surely, 2^13473776020 is an apocalyptic number.

13473776020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13473776020 is an abundant number, since it is smaller than the sum of its proper divisors (16485562004).

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

13473776020 is a wasteful number, since it uses less digits than its factorization.

13473776020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39628779 (or 39628777 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 40.

The spelling of 13473776020 in words is "thirteen billion, four hundred seventy-three million, seven hundred seventy-six thousand, twenty".