1122020232 has 64 divisors (see below), whose sum is σ = 2836814400. Its totient is φ = 369795840.

The previous prime is 1122020203. The next prime is 1122020239. The reversal of 1122020232 is 2320202211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1122020239) 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, 1056982 + ... + 1058042.

It is an arithmetic number, because the mean of its divisors is an integer number (44325225).

Almost surely, 2^1122020232 is an apocalyptic number.

1122020232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122020232 is an abundant number, since it is smaller than the sum of its proper divisors (1714794168).

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

1122020232 is a wasteful number, since it uses less digits than its factorization.

1122020232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526 (or 1522 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1122020232 is about 33496.5704513164. The cubic root of 1122020232 is about 1039.1228526214.

Adding to 1122020232 its reverse (2320202211), we get a palindrome (3442222443).

The spelling of 1122020232 in words is "one billion, one hundred twenty-two million, twenty thousand, two hundred thirty-two".