1122332020 has 48 divisors (see below), whose sum is σ = 2394298368. Its totient is φ = 441866880.

The previous prime is 1122331997. The next prime is 1122332023. The reversal of 1122332020 is 202332211.

It is a junction number, because it is equal to n+sod(n) for n = 1122331985 and 1122332003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122332023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331054 + ... + 334426.

It is an arithmetic number, because the mean of its divisors is an integer number (49881216).

Almost surely, 2^1122332020 is an apocalyptic number.

1122332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122332020 is an abundant number, since it is smaller than the sum of its proper divisors (1271966348).

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

1122332020 is a wasteful number, since it uses less digits than its factorization.

1122332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640 (or 3638 counting only the distinct ones).

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

The square root of 1122332020 is about 33501.2241567379. The cubic root of 1122332020 is about 1039.2190945077.

Adding to 1122332020 its reverse (202332211), we get a palindrome (1324664231).

The spelling of 1122332020 in words is "one billion, one hundred twenty-two million, three hundred thirty-two thousand, twenty".