13143144220 has 24 divisors (see below), whose sum is σ = 27639561600. Its totient is φ = 5249836992.

The previous prime is 13143144191. The next prime is 13143144239. The reversal of 13143144220 is 2244134131.

It is a super-3 number, since 3×13143144220³ (a number of 31 digits) contains 333 as substring.

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, 449260 + ... + 477619.

It is an arithmetic number, because the mean of its divisors is an integer number (1151648400).

Almost surely, 2^13143144220 is an apocalyptic number.

13143144220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13143144220 is an abundant number, since it is smaller than the sum of its proper divisors (14496417380).

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

13143144220 is a wasteful number, since it uses less digits than its factorization.

13143144220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927597 (or 927595 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13143144220 its reverse (2244134131), we get a palindrome (15387278351).

The spelling of 13143144220 in words is "thirteen billion, one hundred forty-three million, one hundred forty-four thousand, two hundred twenty".