1330402220 has 48 divisors (see below), whose sum is σ = 3196101888. Its totient is φ = 455689920.

The previous prime is 1330402219. The next prime is 1330402247. The reversal of 1330402220 is 222040331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158735 + ... + 166905.

It is an arithmetic number, because the mean of its divisors is an integer number (66585456).

Almost surely, 2^1330402220 is an apocalyptic number.

1330402220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330402220 is an abundant number, since it is smaller than the sum of its proper divisors (1865699668).

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

1330402220 is a wasteful number, since it uses less digits than its factorization.

1330402220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9350 (or 9348 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1330402220 is about 36474.6791623998. The cubic root of 1330402220 is about 1099.8352976545.

Adding to 1330402220 its reverse (222040331), we get a palindrome (1552442551).

The spelling of 1330402220 in words is "one billion, three hundred thirty million, four hundred two thousand, two hundred twenty".