1330144220 has 24 divisors (see below), whose sum is σ = 2794042944. Its totient is φ = 531916736.

The previous prime is 1330144213. The next prime is 1330144253. The reversal of 1330144220 is 224410331.

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 = 1330144192 and 1330144201.

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, 103469 + ... + 115611.

It is an arithmetic number, because the mean of its divisors is an integer number (116418456).

Almost surely, 2^1330144220 is an apocalyptic number.

1330144220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330144220 is an abundant number, since it is smaller than the sum of its proper divisors (1463898724).

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

1330144220 is a wasteful number, since it uses less digits than its factorization.

1330144220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17629 (or 17627 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1330144220 is about 36471.1422908579. The cubic root of 1330144220 is about 1099.7641973894.

Adding to 1330144220 its reverse (224410331), we get a palindrome (1554554551).

The spelling of 1330144220 in words is "one billion, three hundred thirty million, one hundred forty-four thousand, two hundred twenty".