243435020 has 12 divisors (see below), whose sum is σ = 511213584. Its totient is φ = 97374000.

The previous prime is 243434993. The next prime is 243435061. The reversal of 243435020 is 20534342.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6085856 + ... + 6085895.

It is an arithmetic number, because the mean of its divisors is an integer number (42601132).

Almost surely, 2^243435020 is an apocalyptic number.

243435020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243435020 is an abundant number, since it is smaller than the sum of its proper divisors (267778564).

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

243435020 is a wasteful number, since it uses less digits than its factorization.

243435020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12171760 (or 12171758 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 243435020 is about 15602.4043019017. The cubic root of 243435020 is about 624.3973027298.

Adding to 243435020 its reverse (20534342), we get a palindrome (263969362).

The spelling of 243435020 in words is "two hundred forty-three million, four hundred thirty-five thousand, twenty".