13140313220 has 24 divisors (see below), whose sum is σ = 27598075008. Its totient is φ = 5255474400.

The previous prime is 13140313213. The next prime is 13140313223. The reversal of 13140313220 is 2231304131.

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 = 13140313192 and 13140313201.

It is not an unprimeable number, because it can be changed into a prime (13140313223) 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, 145685 + ... + 217955.

It is an arithmetic number, because the mean of its divisors is an integer number (1149919792).

Almost surely, 2^13140313220 is an apocalyptic number.

13140313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13140313220 is an abundant number, since it is smaller than the sum of its proper divisors (14457761788).

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

13140313220 is a wasteful number, since it uses less digits than its factorization.

13140313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81371 (or 81369 counting only the distinct ones).

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

Adding to 13140313220 its reverse (2231304131), we get a palindrome (15371617351).

The spelling of 13140313220 in words is "thirteen billion, one hundred forty million, three hundred thirteen thousand, two hundred twenty".