13813410420 has 72 divisors (see below), whose sum is σ = 41911014600. Its totient is φ = 3682667520.

The previous prime is 13813410383. The next prime is 13813410427. The reversal of 13813410420 is 2401431831.

It can be written as a sum of positive squares in 4 ways, for example, as 3641881104 + 10171529316 = 60348^2 + 100854^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13813410427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1052056 + ... + 1065104.

It is an arithmetic number, because the mean of its divisors is an integer number (582097425).

Almost surely, 2^13813410420 is an apocalyptic number.

13813410420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13813410420 is an abundant number, since it is smaller than the sum of its proper divisors (28097604180).

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

13813410420 is a wasteful number, since it uses less digits than its factorization.

13813410420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18945 (or 18940 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 13813410420 in words is "thirteen billion, eight hundred thirteen million, four hundred ten thousand, four hundred twenty".