20143343104 has 40 divisors (see below), whose sum is σ = 40848119928. Its totient is φ = 9921331200.

The previous prime is 20143343083. The next prime is 20143343149. The reversal of 20143343104 is 40134334102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259297 + ... + 327904.

Almost surely, 2^20143343104 is an apocalyptic number.

It is an amenable number.

20143343104 is an abundant number, since it is smaller than the sum of its proper divisors (20704776824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20143343104 is an frugal number, since it uses more digits than its factorization.

20143343104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587286 (or 587270 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20143343104 its reverse (40134334102), we get a palindrome (60277677206).

The spelling of 20143343104 in words is "twenty billion, one hundred forty-three million, three hundred forty-three thousand, one hundred four".