243055413020 has 24 divisors (see below), whose sum is σ = 583332991584. Its totient is φ = 83333284416.

The previous prime is 243055413011. The next prime is 243055413043. The reversal of 243055413020 is 20314550342.

It is a happy number.

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, 868054907 + ... + 868055186.

It is an arithmetic number, because the mean of its divisors is an integer number (24305541316).

Almost surely, 2^243055413020 is an apocalyptic number.

243055413020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243055413020 is an abundant number, since it is smaller than the sum of its proper divisors (340277578564).

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

243055413020 is a wasteful number, since it uses less digits than its factorization.

243055413020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736110109 (or 1736110107 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 243055413020 its reverse (20314550342), we get a palindrome (263369963362).

The spelling of 243055413020 in words is "two hundred forty-three billion, fifty-five million, four hundred thirteen thousand, twenty".