13213103420 has 48 divisors (see below), whose sum is σ = 30914085888. Its totient is φ = 4702532160.

The previous prime is 13213103399. The next prime is 13213103461. The reversal of 13213103420 is 2430131231.

It is a super-2 number, since 2×13213103420² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13213103392 and 13213103401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628592 + ... + 649271.

It is an arithmetic number, because the mean of its divisors is an integer number (644043456).

Almost surely, 2^13213103420 is an apocalyptic number.

13213103420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13213103420 is an abundant number, since it is smaller than the sum of its proper divisors (17700982468).

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

13213103420 is a wasteful number, since it uses less digits than its factorization.

13213103420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277930 (or 1277928 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13213103420 its reverse (2430131231), we get a palindrome (15643234651).

The spelling of 13213103420 in words is "thirteen billion, two hundred thirteen million, one hundred three thousand, four hundred twenty".