20013204143 has 8 divisors (see below), whose sum is σ = 20128013808. Its totient is φ = 19898711424.

The previous prime is 20013204139. The next prime is 20013204149. The reversal of 20013204143 is 34140231002.

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 20013204143 - 2² = 20013204139 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 (20013204149) 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, 47996 + ... + 205742.

It is an arithmetic number, because the mean of its divisors is an integer number (2516001726).

Almost surely, 2^20013204143 is an apocalyptic number.

20013204143 is a deficient number, since it is larger than the sum of its proper divisors (114809665).

20013204143 is a wasteful number, since it uses less digits than its factorization.

20013204143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158473.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20013204143 its reverse (34140231002), we get a palindrome (54153435145).

The spelling of 20013204143 in words is "twenty billion, thirteen million, two hundred four thousand, one hundred forty-three".