13151565020 has 36 divisors (see below), whose sum is σ = 30357295752. Its totient is φ = 4782386400.

The previous prime is 13151564983. The next prime is 13151565043. The reversal of 13151565020 is 2056515131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2714846 + ... + 2719685.

Almost surely, 2^13151565020 is an apocalyptic number.

13151565020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13151565020 is an abundant number, since it is smaller than the sum of its proper divisors (17205730732).

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

13151565020 is a wasteful number, since it uses less digits than its factorization.

13151565020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5434562 (or 5434549 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 13151565020 in words is "thirteen billion, one hundred fifty-one million, five hundred sixty-five thousand, twenty".