13440101020 has 24 divisors (see below), whose sum is σ = 28228629744. Its totient is φ = 5375198976.

The previous prime is 13440100979. The next prime is 13440101033. The reversal of 13440101020 is 2010104431.

It is a junction number, because it is equal to n+sod(n) for n = 13440100985 and 13440101003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87487 + ... + 185833.

It is an arithmetic number, because the mean of its divisors is an integer number (1176192906).

Almost surely, 2^13440101020 is an apocalyptic number.

13440101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13440101020 is an abundant number, since it is smaller than the sum of its proper divisors (14788528724).

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

13440101020 is a wasteful number, since it uses less digits than its factorization.

13440101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105189 (or 105187 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 13440101020 its reverse (2010104431), we get a palindrome (15450205451).

The spelling of 13440101020 in words is "thirteen billion, four hundred forty million, one hundred one thousand, twenty".