20003513450043 has 8 divisors (see below), whose sum is σ = 26691572160000. Its totient is φ = 13325565186728.

The previous prime is 20003513450033. The next prime is 20003513450069. The reversal of 20003513450043 is 34005431530002.

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 20003513450043 - 2⁶ = 20003513449979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20003513450033) 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, 2527607043 + ... + 2527614956.

It is an arithmetic number, because the mean of its divisors is an integer number (3336446520000).

Almost surely, 2^{20003513450043} is an apocalyptic number.

20003513450043 is a deficient number, since it is larger than the sum of its proper divisors (6688058709957).

20003513450043 is a wasteful number, since it uses less digits than its factorization.

20003513450043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055223321.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 20003513450043 its reverse (34005431530002), we get a palindrome (54008944980045).

The spelling of 20003513450043 in words is "twenty trillion, three billion, five hundred thirteen million, four hundred fifty thousand, forty-three".