13254199220 has 24 divisors (see below), whose sum is σ = 27987604008. Its totient is φ = 5272387200.

The previous prime is 13254199199. The next prime is 13254199249. The reversal of 13254199220 is 2299145231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 80209936 + 13173989284 = 8956^2 + 114778^2 .

It is a congruent number.

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, 1827071 + ... + 1834310.

It is an arithmetic number, because the mean of its divisors is an integer number (1166150167).

Almost surely, 2^13254199220 is an apocalyptic number.

13254199220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13254199220 is an abundant number, since it is smaller than the sum of its proper divisors (14733404788).

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

13254199220 is a wasteful number, since it uses less digits than its factorization.

13254199220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661571 (or 3661569 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 13254199220 in words is "thirteen billion, two hundred fifty-four million, one hundred ninety-nine thousand, two hundred twenty".