20040233340143 has 4 divisors (see below), whose sum is σ = 20051704568760. Its totient is φ = 20028762111528.

The previous prime is 20040233340133. The next prime is 20040233340157. The reversal of 20040233340143 is 34104333204002.

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

It is a cyclic number.

It is not a de Polignac number, because 20040233340143 - 2⁶ = 20040233340079 is a prime.

It is a super-2 number, since 2×20040233340143² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20040233340133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5735611688 + ... + 5735615181.

It is an arithmetic number, because the mean of its divisors is an integer number (5012926142190).

Almost surely, 2^{20040233340143} is an apocalyptic number.

20040233340143 is a deficient number, since it is larger than the sum of its proper divisors (11471228617).

20040233340143 is a wasteful number, since it uses less digits than its factorization.

20040233340143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11471228616.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 20040233340143 its reverse (34104333204002), we get a palindrome (54144566544145).

The spelling of 20040233340143 in words is "twenty trillion, forty billion, two hundred thirty-three million, three hundred forty thousand, one hundred forty-three".