1133122020 has 24 divisors (see below), whose sum is σ = 3172741824. Its totient is φ = 302165856.

The previous prime is 1133122009. The next prime is 1133122021. The reversal of 1133122020 is 202213311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1133122021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9442624 + ... + 9442743.

It is an arithmetic number, because the mean of its divisors is an integer number (132197576).

Almost surely, 2^1133122020 is an apocalyptic number.

1133122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133122020 is an abundant number, since it is smaller than the sum of its proper divisors (2039619804).

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

1133122020 is a wasteful number, since it uses less digits than its factorization.

1133122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18885379 (or 18885377 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1133122020 is about 33661.8778442320. The cubic root of 1133122020 is about 1042.5387985951.

Adding to 1133122020 its reverse (202213311), we get a palindrome (1335335331).

The spelling of 1133122020 in words is "one billion, one hundred thirty-three million, one hundred twenty-two thousand, twenty".