13893427020 has 96 divisors (see below), whose sum is σ = 42464540160. Its totient is φ = 3366005760.

The previous prime is 13893427013. The next prime is 13893427033. The reversal of 13893427020 is 2072439831.

It is a self number, because there is not a number n which added to its sum of digits gives 13893427020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1230561 + ... + 1241799.

It is an arithmetic number, because the mean of its divisors is an integer number (442338960).

Almost surely, 2^13893427020 is an apocalyptic number.

13893427020 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 13893427020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21232270080).

13893427020 is an abundant number, since it is smaller than the sum of its proper divisors (28571113140).

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

13893427020 is a wasteful number, since it uses less digits than its factorization.

13893427020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13135 (or 13133 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 13893427020 in words is "thirteen billion, eight hundred ninety-three million, four hundred twenty-seven thousand, twenty".