13540030220 has 24 divisors (see below), whose sum is σ = 28516020624. Its totient is φ = 5400401216.

The previous prime is 13540030159. The next prime is 13540030237. The reversal of 13540030220 is 2203004531.

It is a happy number.

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 = 13540030192 and 13540030201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968567 + ... + 982446.

It is an arithmetic number, because the mean of its divisors is an integer number (1188167526).

Almost surely, 2^13540030220 is an apocalyptic number.

13540030220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13540030220 is an abundant number, since it is smaller than the sum of its proper divisors (14975990404).

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

13540030220 is a wasteful number, since it uses less digits than its factorization.

13540030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951369 (or 1951367 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 13540030220 its reverse (2203004531), we get a palindrome (15743034751).

The spelling of 13540030220 in words is "thirteen billion, five hundred forty million, thirty thousand, two hundred twenty".