234433403220 has 48 divisors (see below), whose sum is σ = 656658636480. Its totient is φ = 62492230656.

The previous prime is 234433403189. The next prime is 234433403233. The reversal of 234433403220 is 22304334432.

234433403220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×234433403220² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567165 + ... + 889124.

It is an arithmetic number, because the mean of its divisors is an integer number (13680388260).

Almost surely, 2^234433403220 is an apocalyptic number.

234433403220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234433403220 is an abundant number, since it is smaller than the sum of its proper divisors (422225233260).

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

234433403220 is a wasteful number, since it uses less digits than its factorization.

234433403220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458984 (or 1458982 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 234433403220 its reverse (22304334432), we get a palindrome (256737737652).

The spelling of 234433403220 in words is "two hundred thirty-four billion, four hundred thirty-three million, four hundred three thousand, two hundred twenty".