20133332143 has 4 divisors (see below), whose sum is σ = 20561700960. Its totient is φ = 19704963328.

The previous prime is 20133332129. The next prime is 20133332147. The reversal of 20133332143 is 34123333102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20133332143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133332147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214184338 + ... + 214184431.

It is an arithmetic number, because the mean of its divisors is an integer number (5140425240).

Almost surely, 2^20133332143 is an apocalyptic number.

20133332143 is a deficient number, since it is larger than the sum of its proper divisors (428368817).

20133332143 is an equidigital number, since it uses as much as digits as its factorization.

20133332143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428368816.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20133332143 its reverse (34123333102), we get a palindrome (54256665245).

The spelling of 20133332143 in words is "twenty billion, one hundred thirty-three million, three hundred thirty-two thousand, one hundred forty-three".