1133202020 has 12 divisors (see below), whose sum is σ = 2379724284. Its totient is φ = 453280800.

The previous prime is 1133201989. The next prime is 1133202061. The reversal of 1133202020 is 202023311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 426918244 + 706283776 = 20662^2 + 26576^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1133201986 and 1133202004.

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 3 ways as a sum of consecutive naturals, for example, 28330031 + ... + 28330070.

It is an arithmetic number, because the mean of its divisors is an integer number (198310357).

Almost surely, 2^1133202020 is an apocalyptic number.

1133202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133202020 is an abundant number, since it is smaller than the sum of its proper divisors (1246522264).

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

1133202020 is a wasteful number, since it uses less digits than its factorization.

1133202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56660110 (or 56660108 counting only the distinct ones).

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

The square root of 1133202020 is about 33663.0661110957. The cubic root of 1133202020 is about 1042.5633329170.

Adding to 1133202020 its reverse (202023311), we get a palindrome (1335225331).

The spelling of 1133202020 in words is "one billion, one hundred thirty-three million, two hundred two thousand, twenty".