20133233230 has 16 divisors (see below), whose sum is σ = 39534349104. Its totient is φ = 7321175680.

The previous prime is 20133233203. The next prime is 20133233231. The reversal of 20133233230 is 3233233102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133233231) 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, 91514587 + ... + 91514806.

It is an arithmetic number, because the mean of its divisors is an integer number (2470896819).

Almost surely, 2^20133233230 is an apocalyptic number.

20133233230 is a deficient number, since it is larger than the sum of its proper divisors (19401115874).

20133233230 is a wasteful number, since it uses less digits than its factorization.

20133233230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183029411.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20133233230 its reverse (3233233102), we get a palindrome (23366466332).

The spelling of 20133233230 in words is "twenty billion, one hundred thirty-three million, two hundred thirty-three thousand, two hundred thirty".