20103404433 has 8 divisors (see below), whose sum is σ = 30633759168. Its totient is φ = 11487659664.

The previous prime is 20103404429. The next prime is 20103404443. The reversal of 20103404433 is 33440430102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20103404433 - 2² = 20103404429 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20103404443) 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, 478652466 + ... + 478652507.

It is an arithmetic number, because the mean of its divisors is an integer number (3829219896).

Almost surely, 2^20103404433 is an apocalyptic number.

It is an amenable number.

20103404433 is a deficient number, since it is larger than the sum of its proper divisors (10530354735).

20103404433 is an equidigital number, since it uses as much as digits as its factorization.

20103404433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957304983.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20103404433 its reverse (33440430102), we get a palindrome (53543834535).

The spelling of 20103404433 in words is "twenty billion, one hundred three million, four hundred four thousand, four hundred thirty-three".