13340212220 has 24 divisors (see below), whose sum is σ = 28105710864. Its totient is φ = 5318701056.

The previous prime is 13340212219. The next prime is 13340212229. The reversal of 13340212220 is 2221204331.

It is a super-2 number, since 2×13340212220² (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 = 13340212192 and 13340212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13340212229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080197 + ... + 1092476.

It is an arithmetic number, because the mean of its divisors is an integer number (1171071286).

Almost surely, 2^13340212220 is an apocalyptic number.

13340212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13340212220 is an abundant number, since it is smaller than the sum of its proper divisors (14765498644).

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

13340212220 is a wasteful number, since it uses less digits than its factorization.

13340212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172989 (or 2172987 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13340212220 its reverse (2221204331), we get a palindrome (15561416551).

The spelling of 13340212220 in words is "thirteen billion, three hundred forty million, two hundred twelve thousand, two hundred twenty".