1133040220 has 72 divisors (see below), whose sum is σ = 2602787040. Its totient is φ = 414086400.

The previous prime is 1133040217. The next prime is 1133040241. The reversal of 1133040220 is 220403311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1133040194 and 1133040203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339721 + ... + 343039.

It is an arithmetic number, because the mean of its divisors is an integer number (36149820).

Almost surely, 2^1133040220 is an apocalyptic number.

1133040220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133040220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301393520).

1133040220 is an abundant number, since it is smaller than the sum of its proper divisors (1469746820).

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

1133040220 is a wasteful number, since it uses less digits than its factorization.

1133040220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455 (or 3440 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1133040220 is about 33660.6627979902. The cubic root of 1133040220 is about 1042.5137110569.

Adding to 1133040220 its reverse (220403311), we get a palindrome (1353443531).

The spelling of 1133040220 in words is "one billion, one hundred thirty-three million, forty thousand, two hundred twenty".