233134220 has 24 divisors (see below), whose sum is σ = 534089808. Its totient is φ = 84776000.

The previous prime is 233134211. The next prime is 233134247. The reversal of 233134220 is 22431332.

233134220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 233134192 and 233134201.

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, 529631 + ... + 530070.

It is an arithmetic number, because the mean of its divisors is an integer number (22253742).

Almost surely, 2^233134220 is an apocalyptic number.

233134220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233134220 is an abundant number, since it is smaller than the sum of its proper divisors (300955588).

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

233134220 is a wasteful number, since it uses less digits than its factorization.

233134220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059721 (or 1059719 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 233134220 is about 15268.7334117798. The cubic root of 233134220 is about 615.4630834796.

Adding to 233134220 its reverse (22431332), we get a palindrome (255565552).

The spelling of 233134220 in words is "two hundred thirty-three million, one hundred thirty-four thousand, two hundred twenty".