243230412020 has 24 divisors (see below), whose sum is σ = 510827192064. Its totient is φ = 97283912096.

The previous prime is 243230411933. The next prime is 243230412041. The reversal of 243230412020 is 20214032342.

It is a super-2 number, since 2×243230412020² (a number of 24 digits) contains 22 as substring.

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, 271292 + ... + 748371.

It is an arithmetic number, because the mean of its divisors is an integer number (21284466336).

Almost surely, 2^243230412020 is an apocalyptic number.

243230412020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243230412020 is an abundant number, since it is smaller than the sum of its proper divisors (267596780044).

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

243230412020 is a wasteful number, since it uses less digits than its factorization.

243230412020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031599 (or 1031597 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 243230412020 its reverse (20214032342), we get a palindrome (263444444362).

The spelling of 243230412020 in words is "two hundred forty-three billion, two hundred thirty million, four hundred twelve thousand, twenty".