1123330120220 has 96 divisors (see below), whose sum is σ = 2941612886016. Its totient is φ = 350065728000.

The previous prime is 1123330120189. The next prime is 1123330120249. The reversal of 1123330120220 is 220210333211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1123330120192 and 1123330120201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8870669 + ... + 8996411.

It is an arithmetic number, because the mean of its divisors is an integer number (30641800896).

Almost surely, 2^{1123330120220} is an apocalyptic number.

1123330120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123330120220 is an abundant number, since it is smaller than the sum of its proper divisors (1818282765796).

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

1123330120220 is a wasteful number, since it uses less digits than its factorization.

1123330120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131571 (or 131569 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1123330120220 its reverse (220210333211), we get a palindrome (1343540453431).

The spelling of 1123330120220 in words is "one trillion, one hundred twenty-three billion, three hundred thirty million, one hundred twenty thousand, two hundred twenty".