13151520727020 has 480 divisors, whose sum is σ = 45537471435456. Its totient is φ = 3156715929600.

The previous prime is 13151520727003. The next prime is 13151520727153. The reversal of 13151520727020 is 2072702515131.

13151520727020 is a `hidden beast` number, since 1 + 3 + 1 + 515 + 2 + 0 + 72 + 70 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3123132715 + ... + 3123136925.

Almost surely, 2^{13151520727020} is an apocalyptic number.

13151520727020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13151520727020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22768735717728).

13151520727020 is an abundant number, since it is smaller than the sum of its proper divisors (32385950708436).

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

13151520727020 is a wasteful number, since it uses less digits than its factorization.

13151520727020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7903 (or 7892 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The spelling of 13151520727020 in words is "thirteen trillion, one hundred fifty-one billion, five hundred twenty million, seven hundred twenty-seven thousand, twenty".