1123331200020 has 72 divisors (see below), whose sum is σ = 3533639395104. Its totient is φ = 299554985376.

The previous prime is 1123331199979. The next prime is 1123331200031. The reversal of 1123331200020 is 200021333211.

1123331200020 is a `hidden beast` number, since 112 + 3 + 331 + 200 + 0 + 20 = 666.

It is a super-3 number, since 3×1123331200020³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1123331199966 and 1123331200002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115564194 + ... + 115573913.

It is an arithmetic number, because the mean of its divisors is an integer number (49078324932).

Almost surely, 2^{1123331200020} is an apocalyptic number.

1123331200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123331200020 is an abundant number, since it is smaller than the sum of its proper divisors (2410308195084).

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

1123331200020 is a wasteful number, since it uses less digits than its factorization.

1123331200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231138131 (or 231138117 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1123331200020 its reverse (200021333211), we get a palindrome (1323352533231).

The spelling of 1123331200020 in words is "one trillion, one hundred twenty-three billion, three hundred thirty-one million, two hundred thousand, twenty".