13287757020 has 48 divisors (see below), whose sum is σ = 37228318848. Its totient is φ = 3541249600.

The previous prime is 13287757001. The next prime is 13287757057. The reversal of 13287757020 is 2075778231.

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 15 ways as a sum of consecutive naturals, for example, 33595 + ... + 166445.

It is an arithmetic number, because the mean of its divisors is an integer number (775589976).

Almost surely, 2^13287757020 is an apocalyptic number.

13287757020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13287757020 is an abundant number, since it is smaller than the sum of its proper divisors (23940561828).

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

13287757020 is a wasteful number, since it uses less digits than its factorization.

13287757020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134530 (or 134528 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 42.

It can be divided in two parts, 1328775 and 7020, that added together give a triangular number (1335795 = T₁₆₃₄).

The spelling of 13287757020 in words is "thirteen billion, two hundred eighty-seven million, seven hundred fifty-seven thousand, twenty".