20103300043 has 4 divisors (see below), whose sum is σ = 20123146368. Its totient is φ = 20083453720.

The previous prime is 20103300017. The next prime is 20103300067. The reversal of 20103300043 is 34000330102.

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 20103300043 - 2¹³ = 20103291851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20103300643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9921643 + ... + 9923668.

It is an arithmetic number, because the mean of its divisors is an integer number (5030786592).

Almost surely, 2^20103300043 is an apocalyptic number.

20103300043 is a deficient number, since it is larger than the sum of its proper divisors (19846325).

20103300043 is a wasteful number, since it uses less digits than its factorization.

20103300043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19846324.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20103300043 its reverse (34000330102), we get a palindrome (54103630145).

The spelling of 20103300043 in words is "twenty billion, one hundred three million, three hundred thousand, forty-three".