20404303143 has 8 divisors (see below), whose sum is σ = 31092271488. Its totient is φ = 11659601784.

The previous prime is 20404303133. The next prime is 20404303189. The reversal of 20404303143 is 34130340402.

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

It is not a de Polignac number, because 20404303143 - 2¹⁴ = 20404286759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20404303133) 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, 485816721 + ... + 485816762.

It is an arithmetic number, because the mean of its divisors is an integer number (3886533936).

Almost surely, 2^20404303143 is an apocalyptic number.

20404303143 is a deficient number, since it is larger than the sum of its proper divisors (10687968345).

20404303143 is an equidigital number, since it uses as much as digits as its factorization.

20404303143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971633493.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20404303143 its reverse (34130340402), we get a palindrome (54534643545).

The spelling of 20404303143 in words is "twenty billion, four hundred four million, three hundred three thousand, one hundred forty-three".