13211350420 has 48 divisors (see below), whose sum is σ = 30653054208. Its totient is φ = 4757434880.

The previous prime is 13211350409. The next prime is 13211350423. The reversal of 13211350420 is 2405311231.

It is a happy number.

13211350420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13211350391 and 13211350400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211350423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 836896 + ... + 852535.

It is an arithmetic number, because the mean of its divisors is an integer number (638605296).

Almost surely, 2^13211350420 is an apocalyptic number.

13211350420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13211350420 is an abundant number, since it is smaller than the sum of its proper divisors (17441703788).

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

13211350420 is a wasteful number, since it uses less digits than its factorization.

13211350420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689480 (or 1689478 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 13211350420 its reverse (2405311231), we get a palindrome (15616661651).

The spelling of 13211350420 in words is "thirteen billion, two hundred eleven million, three hundred fifty thousand, four hundred twenty".