1133445020 has 12 divisors (see below), whose sum is σ = 2380234584. Its totient is φ = 453378000.

The previous prime is 1133445011. The next prime is 1133445119. The reversal of 1133445020 is 205443311.

It is a super-2 number, since 2×1133445020² = 2569395226725600800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28336106 + ... + 28336145.

It is an arithmetic number, because the mean of its divisors is an integer number (198352882).

Almost surely, 2^1133445020 is an apocalyptic number.

1133445020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133445020 is an abundant number, since it is smaller than the sum of its proper divisors (1246789564).

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

1133445020 is a wasteful number, since it uses less digits than its factorization.

1133445020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56672260 (or 56672258 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1133445020 is about 33666.6752145204. The cubic root of 1133445020 is about 1042.6378488400.

Adding to 1133445020 its reverse (205443311), we get a palindrome (1338888331).

The spelling of 1133445020 in words is "one billion, one hundred thirty-three million, four hundred forty-five thousand, twenty".