20200004003 has 4 divisors (see below), whose sum is σ = 20581136208. Its totient is φ = 19818871800.

The previous prime is 20200003981. The next prime is 20200004009. The reversal of 20200004003 is 30040000202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30040000202 = 2 ⋅15020000101.

It is a cyclic number.

It is not a de Polignac number, because 20200004003 - 2¹⁶ = 20199938467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200004009) 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, 190566023 + ... + 190566128.

It is an arithmetic number, because the mean of its divisors is an integer number (5145284052).

Almost surely, 2^20200004003 is an apocalyptic number.

20200004003 is a deficient number, since it is larger than the sum of its proper divisors (381132205).

20200004003 is an equidigital number, since it uses as much as digits as its factorization.

20200004003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381132204.

The product of its (nonzero) digits is 48, while the sum is 11.

Adding to 20200004003 its reverse (30040000202), we get a palindrome (50240004205).

The spelling of 20200004003 in words is "twenty billion, two hundred million, four thousand, three".