13220003140 has 24 divisors (see below), whose sum is σ = 27770662080. Its totient is φ = 5286352608.

The previous prime is 13220003123. The next prime is 13220003149. The reversal of 13220003140 is 4130002231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13220003149) 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, 36232 + ... + 166591.

It is an arithmetic number, because the mean of its divisors is an integer number (1157110920).

Almost surely, 2^13220003140 is an apocalyptic number.

13220003140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13220003140 is an abundant number, since it is smaller than the sum of its proper divisors (14550658940).

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

13220003140 is a wasteful number, since it uses less digits than its factorization.

13220003140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206091 (or 206089 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13220003140 its reverse (4130002231), we get a palindrome (17350005371).

Subtracting from 13220003140 its reverse (4130002231), we obtain a palindrome (9090000909).

The spelling of 13220003140 in words is "thirteen billion, two hundred twenty million, three thousand, one hundred forty".