1143733020 has 24 divisors (see below), whose sum is σ = 3202452624. Its totient is φ = 304995456.

The previous prime is 1143733009. The next prime is 1143733039. The reversal of 1143733020 is 203373411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9531049 + ... + 9531168.

It is an arithmetic number, because the mean of its divisors is an integer number (133435526).

Almost surely, 2^1143733020 is an apocalyptic number.

1143733020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143733020 is an abundant number, since it is smaller than the sum of its proper divisors (2058719604).

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

1143733020 is a wasteful number, since it uses less digits than its factorization.

1143733020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19062229 (or 19062227 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 1143733020 is about 33819.1221056964. The cubic root of 1143733020 is about 1045.7829407986.

The spelling of 1143733020 in words is "one billion, one hundred forty-three million, seven hundred thirty-three thousand, twenty".