20040403134043 has 8 divisors (see below), whose sum is σ = 21226693168080. Its totient is φ = 18854940076800.

The previous prime is 20040403134029. The next prime is 20040403134047. The reversal of 20040403134043 is 34043130404002.

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 20040403134043 - 2²⁵ = 20040369579611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20040403134047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206694298 + ... + 206791231.

It is an arithmetic number, because the mean of its divisors is an integer number (2653336646010).

Almost surely, 2^{20040403134043} is an apocalyptic number.

20040403134043 is a deficient number, since it is larger than the sum of its proper divisors (1186290034037).

20040403134043 is a wasteful number, since it uses less digits than its factorization.

20040403134043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413488397.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20040403134043 its reverse (34043130404002), we get a palindrome (54083533538045).

The spelling of 20040403134043 in words is "twenty trillion, forty billion, four hundred three million, one hundred thirty-four thousand, forty-three".