1332530220 has 48 divisors (see below), whose sum is σ = 4264098048. Its totient is φ = 304578240.

The previous prime is 1332530207. The next prime is 1332530263. The reversal of 1332530220 is 220352331.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 1585926 + ... + 1586765.

It is an arithmetic number, because the mean of its divisors is an integer number (88835376).

Almost surely, 2^1332530220 is an apocalyptic number.

1332530220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1332530220 is an abundant number, since it is smaller than the sum of its proper divisors (2931567828).

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

1332530220 is a wasteful number, since it uses less digits than its factorization.

1332530220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172710 (or 3172708 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 1332530220 is about 36503.8384283078. The cubic root of 1332530220 is about 1100.4213867644.

Adding to 1332530220 its reverse (220352331), we get a palindrome (1552882551).

The spelling of 1332530220 in words is "one billion, three hundred thirty-two million, five hundred thirty thousand, two hundred twenty".