4120203234 has 64 divisors (see below), whose sum is σ = 9539824896. Its totient is φ = 1161990144.

The previous prime is 4120203203. The next prime is 4120203247. The reversal of 4120203234 is 4323020214.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4120203234.

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 31 ways as a sum of consecutive naturals, for example, 1860712 + ... + 1862924.

It is an arithmetic number, because the mean of its divisors is an integer number (149059764).

Almost surely, 2^4120203234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4120203234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4769912448).

4120203234 is an abundant number, since it is smaller than the sum of its proper divisors (5419621662).

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

4120203234 is a wasteful number, since it uses less digits than its factorization.

4120203234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4120203234 is about 64188.8092583123. The cubic root of 4120203234 is about 1603.1452757343.

Adding to 4120203234 its reverse (4323020214), we get a palindrome (8443223448).

The spelling of 4120203234 in words is "four billion, one hundred twenty million, two hundred three thousand, two hundred thirty-four".