236220033 has 24 divisors (see below), whose sum is σ = 371038080. Its totient is φ = 133267680.

The previous prime is 236220029. The next prime is 236220041. The reversal of 236220033 is 330022632.

It is not a de Polignac number, because 236220033 - 2² = 236220029 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 236219991 and 236220009.

It is not an unprimeable number, because it can be changed into a prime (236420033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1443 + ... + 21783.

It is an arithmetic number, because the mean of its divisors is an integer number (15459920).

Almost surely, 2^236220033 is an apocalyptic number.

It is an amenable number.

236220033 is a deficient number, since it is larger than the sum of its proper divisors (134818047).

236220033 is a wasteful number, since it uses less digits than its factorization.

236220033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20437 (or 20430 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 236220033 is about 15369.4512914417. The cubic root of 236220033 is about 618.1666557588.

Adding to 236220033 its reverse (330022632), we get a palindrome (566242665).

The spelling of 236220033 in words is "two hundred thirty-six million, two hundred twenty thousand, thirty-three".