20143043003000 has 64 divisors (see below), whose sum is σ = 47140181824320. Its totient is φ = 8056283664000.

The previous prime is 20143043002933. The next prime is 20143043003009. The reversal of 20143043003000 is 30034034102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20143043003009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7500410 + ... + 9825590.

It is an arithmetic number, because the mean of its divisors is an integer number (736565341005).

Almost surely, 2^{20143043003000} is an apocalyptic number.

20143043003000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20143043003000 is an abundant number, since it is smaller than the sum of its proper divisors (26997138821320).

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

20143043003000 is a wasteful number, since it uses less digits than its factorization.

20143043003000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333865 (or 2333851 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20143043003000 its reverse (30034034102), we get a palindrome (20173077037102).

The spelling of 20143043003000 in words is "twenty trillion, one hundred forty-three billion, forty-three million, three thousand".