234043201220 has 24 divisors (see below), whose sum is σ = 491509479384. Its totient is φ = 93613707776.

The previous prime is 234043201207. The next prime is 234043201243. The reversal of 234043201220 is 22102340432.

It can be written as a sum of positive squares in 4 ways, for example, as 18065510464 + 215977690756 = 134408^2 + 464734^2 .

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, 349742 + ... + 768378.

It is an arithmetic number, because the mean of its divisors is an integer number (20479561641).

Almost surely, 2^234043201220 is an apocalyptic number.

234043201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234043201220 is an abundant number, since it is smaller than the sum of its proper divisors (257466278164).

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

234043201220 is a wasteful number, since it uses less digits than its factorization.

234043201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446599 (or 446597 counting only the distinct ones).

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

Adding to 234043201220 its reverse (22102340432), we get a palindrome (256145541652).

The spelling of 234043201220 in words is "two hundred thirty-four billion, forty-three million, two hundred one thousand, two hundred twenty".