13535548220 has 12 divisors (see below), whose sum is σ = 28424651304. Its totient is φ = 5414219280.

The previous prime is 13535548217. The next prime is 13535548249. The reversal of 13535548220 is 2284553531.

It is a super-2 number, since 2×13535548220² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338388686 + ... + 338388725.

It is an arithmetic number, because the mean of its divisors is an integer number (2368720942).

Almost surely, 2^13535548220 is an apocalyptic number.

13535548220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13535548220 is an abundant number, since it is smaller than the sum of its proper divisors (14889103084).

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

13535548220 is a wasteful number, since it uses less digits than its factorization.

13535548220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676777420 (or 676777418 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 13535548220 in words is "thirteen billion, five hundred thirty-five million, five hundred forty-eight thousand, two hundred twenty".