1332113220 has 72 divisors (see below), whose sum is σ = 4149973464. Its totient is φ = 345627648.

The previous prime is 1332113207. The next prime is 1332113227. The reversal of 1332113220 is 223112331.

1332113220 is a `hidden beast` number, since 1 + 332 + 11 + 322 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 124411716 + 1207701504 = 11154^2 + 34752^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1332113193 and 1332113202.

It is not an unprimeable number, because it can be changed into a prime (1332113227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93349 + ... + 106668.

Almost surely, 2^1332113220 is an apocalyptic number.

1332113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1332113220 is an abundant number, since it is smaller than the sum of its proper divisors (2817860244).

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

1332113220 is a wasteful number, since it uses less digits than its factorization.

1332113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200069 (or 200064 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1332113220 is about 36498.1262532750. The cubic root of 1332113220 is about 1100.3065867180.

Adding to 1332113220 its reverse (223112331), we get a palindrome (1555225551).

The spelling of 1332113220 in words is "one billion, three hundred thirty-two million, one hundred thirteen thousand, two hundred twenty".