1330220220 has 48 divisors (see below), whose sum is σ = 4256706048. Its totient is φ = 304050240.

The previous prime is 1330220209. The next prime is 1330220231. The reversal of 1330220220 is 220220331.

It is an interprime number because it is at equal distance from previous prime (1330220209) and next prime (1330220231).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1330220220.

It is a congruent number.

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, 1583176 + ... + 1584015.

It is an arithmetic number, because the mean of its divisors is an integer number (88681376).

Almost surely, 2^1330220220 is an apocalyptic number.

1330220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330220220 is an abundant number, since it is smaller than the sum of its proper divisors (2926485828).

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

1330220220 is a wasteful number, since it uses less digits than its factorization.

1330220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3167210 (or 3167208 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1330220220 is about 36472.1841956305. The cubic root of 1330220220 is about 1099.7851426087.

Adding to 1330220220 its reverse (220220331), we get a palindrome (1550440551).

The spelling of 1330220220 in words is "one billion, three hundred thirty million, two hundred twenty thousand, two hundred twenty".