13126547401020 has 48 divisors (see below), whose sum is σ = 40838147471520. Its totient is φ = 3500412640128.

The previous prime is 13126547401003. The next prime is 13126547401027. The reversal of 13126547401020 is 2010474562131.

13126547401020 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 6 + 547 + 4 + 0 + 102 + 0 = 666.

13126547401020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13126547401027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12154210017 + ... + 12154211096.

It is an arithmetic number, because the mean of its divisors is an integer number (850794738990).

Almost surely, 2^{13126547401020} is an apocalyptic number.

13126547401020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13126547401020 is an abundant number, since it is smaller than the sum of its proper divisors (27711600070500).

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

13126547401020 is a wasteful number, since it uses less digits than its factorization.

13126547401020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24308421131 (or 24308421123 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 13126547401020 in words is "thirteen trillion, one hundred twenty-six billion, five hundred forty-seven million, four hundred one thousand, twenty".