218023052 has 24 divisors (see below), whose sum is σ = 412994736. Its totient is φ = 100110528.

The previous prime is 218023051. The next prime is 218023067. The reversal of 218023052 is 250320812.

218023052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (218023051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398 + ... + 20885.

It is an arithmetic number, because the mean of its divisors is an integer number (17208114).

Almost surely, 2^218023052 is an apocalyptic number.

It is an amenable number.

218023052 is a deficient number, since it is larger than the sum of its proper divisors (194971684).

218023052 is a wasteful number, since it uses less digits than its factorization.

218023052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21497 (or 21495 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 218023052 is about 14765.6036788206. The cubic root of 218023052 is about 601.8673784299.

Adding to 218023052 its reverse (250320812), we get a palindrome (468343864).

The spelling of 218023052 in words is "two hundred eighteen million, twenty-three thousand, fifty-two".