1143233033220 has 72 divisors (see below), whose sum is σ = 3506771038680. Its totient is φ = 301436720640.

The previous prime is 1143233033207. The next prime is 1143233033227. The reversal of 1143233033220 is 223303323411.

1143233033220 is a `hidden beast` number, since 1 + 1 + 4 + 3 + 2 + 330 + 3 + 322 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 13553150724 + 1129679882496 = 116418^2 + 1062864^2 .

It is not an unprimeable number, because it can be changed into a prime (1143233033227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35665411 + ... + 35697450.

It is an arithmetic number, because the mean of its divisors is an integer number (48705153315).

Almost surely, 2^{1143233033220} is an apocalyptic number.

1143233033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143233033220 is an abundant number, since it is smaller than the sum of its proper divisors (2363538005460).

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

1143233033220 is a wasteful number, since it uses less digits than its factorization.

1143233033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71362965 (or 71362960 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 1143233033220 its reverse (223303323411), we get a palindrome (1366536356631).

The spelling of 1143233033220 in words is "one trillion, one hundred forty-three billion, two hundred thirty-three million, thirty-three thousand, two hundred twenty".