1132003220 has 24 divisors (see below), whose sum is σ = 2384274984. Its totient is φ = 451454976.

The previous prime is 1132003217. The next prime is 1132003231. The reversal of 1132003220 is 223002311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 238949764 + 893053456 = 15458^2 + 29884^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1132003195 and 1132003204.

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, 77237 + ... + 90716.

It is an arithmetic number, because the mean of its divisors is an integer number (99344791).

Almost surely, 2^1132003220 is an apocalyptic number.

1132003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132003220 is an abundant number, since it is smaller than the sum of its proper divisors (1252271764).

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

1132003220 is a wasteful number, since it uses less digits than its factorization.

1132003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168299 (or 168297 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1132003220 is about 33645.2555347704. The cubic root of 1132003220 is about 1042.1955650388.

Adding to 1132003220 its reverse (223002311), we get a palindrome (1355005531).

Subtracting from 1132003220 its reverse (223002311), we obtain a palindrome (909000909).

The spelling of 1132003220 in words is "one billion, one hundred thirty-two million, three thousand, two hundred twenty".