20043233135 has 8 divisors (see below), whose sum is σ = 24056905920. Its totient is φ = 16031235744.

The previous prime is 20043233131. The next prime is 20043233149. The reversal of 20043233135 is 53133234002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20043233135 - 2² = 20043233131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043233131) 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, 392375 + ... + 440504.

It is an arithmetic number, because the mean of its divisors is an integer number (3007113240).

Almost surely, 2^20043233135 is an apocalyptic number.

20043233135 is a deficient number, since it is larger than the sum of its proper divisors (4013672785).

20043233135 is an equidigital number, since it uses as much as digits as its factorization.

20043233135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837697.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 20043233135 its reverse (53133234002), we get a palindrome (73176467137).

The spelling of 20043233135 in words is "twenty billion, forty-three million, two hundred thirty-three thousand, one hundred thirty-five".